{"title":"Shell catalyst","description":"","products":[{"product_id":"original-catalytic-converter-pt-pd-rh","title":"Gasoline Car Catalytic Converter 101mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"cat-faq-module\"\u003e\n\u003cdiv class=\"module-header\"\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Q1 – 陶瓷与金属基材的区别 --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e What is the difference between ceramic and metal substrates?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eCeramic and metal substrates are the two primary carrier materials used in catalytic converters. Here is a detailed comparison:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eCeramic Substrate\u003c\/th\u003e\n\u003cth\u003eMetal Substrate\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial Composition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCordierite (2MgO·2Al₂O₃·5SiO₂) or Silicon Carbide (SiC)\u003c\/td\u003e\n\u003ctd\u003eFe-Cr-Al alloy (ferritic stainless steel, e.g. FeCr21Al6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 0.10 mm\u003c\/td\u003e\n\u003ctd\u003e~ 0.03 mm (much thinner)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Density (CPSI)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTypically ~400 CPSI\u003c\/td\u003e\n\u003ctd\u003e25 – 1200 CPSI (wider range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGeometric Surface Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower\u003c\/td\u003e\n\u003ctd\u003eHigher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanical Strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower (brittle, prone to cracking)\u003c\/td\u003e\n\u003ctd\u003eHigh (resistant to vibration and impact)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Shock Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eHigh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavier (1,500-2,000g)\u003c\/td\u003e\n\u003ctd\u003eLighter (800-1,200g, 40-50% less)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow (1-3 W\/mK)\u003c\/td\u003e\n\u003ctd\u003eHigh (100-200× faster than ceramic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight-off Time (warm-up)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlower (2-3 minutes)\u003c\/td\u003e\n\u003ctd\u003eFaster (30-45 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBack Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigher\u003c\/td\u003e\n\u003ctd\u003eLower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeat Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh\u003c\/td\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to ~1,000-1,200°C\u003c\/td\u003e\n\u003ctd\u003eUp to 1,300-1,400°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Shape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare cells\u003c\/td\u003e\n\u003ctd\u003eSinusoidal channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCost\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower (cost-effective at volume)\u003c\/td\u003e\n\u003ctd\u003eHigher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape Flexibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLimited (fixed tooling required)\u003c\/td\u003e\n\u003ctd\u003eHighly flexible (easy customization)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Ceramic substrates are cost-effective and perform well at low space velocities, but are brittle and heavier. Metal substrates offer superior durability, faster warm-up, lower back pressure, and greater design flexibility, though at a higher cost. The choice depends on your specific application requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q2 – 陶瓷与金属催化剂的区别 --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e What is the difference between ceramic and metal catalysts?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eBoth ceramic and metal catalysts serve the same fundamental purpose — converting harmful exhaust gases (CO, HC, NOx) into harmless substances through catalytic reactions. However, they differ significantly in performance characteristics:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePerformance Metric\u003c\/th\u003e\n\u003cth\u003eCeramic Catalyst\u003c\/th\u003e\n\u003cth\u003eMetal Catalyst\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLow Space Velocity Performance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBetter conversions (especially for HC and CO)\u003c\/td\u003e\n\u003ctd\u003eLower conversions at low space velocities\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh Space Velocity Performance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower conversions\u003c\/td\u003e\n\u003ctd\u003eBetter conversions (larger surface area)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCO Conversion Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGenerally high, can be lower at high space velocities\u003c\/td\u003e\n\u003ctd\u003eUp to 98.6% at high temperatures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHC Conversion Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 98.6%\u003c\/td\u003e\n\u003ctd\u003e~61.3%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNOx Reduction Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 87.2%\u003c\/td\u003e\n\u003ctd\u003e~81.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCold-Start Performance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlower to reach operating temperature\u003c\/td\u003e\n\u003ctd\u003eFaster warm-up (30-45 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDurability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGood, but brittle — prone to cracking from impact\u003c\/td\u003e\n\u003ctd\u003eExcellent — highly resistant to vibration and thermal shock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Shock Vulnerability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigher tendency towards thermal shock\u003c\/td\u003e\n\u003ctd\u003eLower tendency — more tolerant of temperature extremes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubstrate Length (for same performance)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble the length of metal substrate\u003c\/td\u003e\n\u003ctd\u003eHalf the length of ceramic substrate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOBDII vehicles, standard passenger cars\u003c\/td\u003e\n\u003ctd\u003eOBDI applications, performance vehicles, diesel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eKey Takeaways:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic catalysts\u003c\/strong\u003e excel at low space velocities (e.g., idle\/low-load conditions) and offer excellent HC conversion. They are more cost-effective for high-volume production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal catalysts\u003c\/strong\u003e outperform at high space velocities (e.g., high-speed driving) due to larger surface area and better mass transfer characteristics. They warm up faster, resist thermal shock better, and offer greater durability, but come at a higher cost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q3 --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e How does a catalytic converter work?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eA \u003cstrong\u003ethree-way catalytic converter\u003c\/strong\u003e (TWC) simultaneously converts three primary harmful exhaust pollutants into less harmful substances through oxidation and reduction reactions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon Monoxide (CO)\u003c\/strong\u003e → oxidized into Carbon Dioxide (CO₂)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnburned Hydrocarbons (HC)\u003c\/strong\u003e → oxidized into Carbon Dioxide (CO₂) and Water (H₂O)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrogen Oxides (NOx)\u003c\/strong\u003e → reduced into Nitrogen (N₂) and Oxygen (O₂)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe substrate (ceramic or metal) is coated with a \"washcoat\" containing precious metal catalysts (platinum, palladium, rhodium). As exhaust gases pass through the honeycomb channels at high temperature (around 300°C), these metals catalyze the chemical reactions that convert approximately 98% of harmful emissions into harmless gases. This process is essential for meeting global emissions standards and protecting air quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q4 --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e Does this meet Euro 3-6 emissions standards?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eYes. Our metal and ceramic catalytic converter substrates are designed to comply with \u003cstrong\u003eEuro 3, Euro 4, Euro 5, and Euro 6\u003c\/strong\u003e emissions standards. When properly installed on a vehicle that is otherwise in good mechanical condition, our substrates support the vehicle's ability to meet the emissions limits for which it was originally certified. Euro 3 was introduced in 2000, with each subsequent standard imposing stricter limits — our substrates are engineered to meet the requirements across this range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Emissions compliance depends on the complete vehicle system, not just the catalytic converter. Proper engine tuning, oxygen sensor function, and overall engine health are also critical factors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q5 --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e What is your warranty policy?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eOur warranty policy differs by product type:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic Muffler Cores\u003c\/strong\u003e — No warranty provided. These are mechanical components subject to wear and external factors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Substrates (Ceramic or Metal)\u003c\/strong\u003e — Covered by a \u003cstrong\u003e2‑year \/ 50,000 km (approximately 31,000 miles) warranty\u003c\/strong\u003e against manufacturing defects. This warranty covers the substrate structure and catalytic coating integrity under normal use conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe warranty does not cover damage caused by improper installation, engine misfire, use of leaded fuel, physical impact damage, or contamination from oil\/coolant. Please retain your purchase receipt and installation records for warranty claims.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q6 – 通用催化转化器安装指南 --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e Universal metal catalytic converter installation guide\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003e\u003cstrong\u003eProduct:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.svipcat.com\/products\/universal-metal-catalytic-converter-400-cpsi-total-length-250mm\" target=\"_blank\"\u003eUniversal Metal Catalytic Converter – 400 CPSI, Total Length 250mm\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eThis universal metal catalytic converter is designed for weld‑on installation. Professional installation by a qualified exhaust technician is strongly recommended. Follow these step‑by‑step guidelines:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Before You Begin:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is parked on a level surface and securely supported.\u003c\/li\u003e\n\u003cli\u003eAllow the exhaust system to cool completely before starting work.\u003c\/li\u003e\n\u003cli\u003eDisconnect the negative battery terminal to prevent electrical shorts.\u003c\/li\u003e\n\u003cli\u003eSpray mounting bolts with penetrating oil a few hours ahead to ease removal.\u003c\/li\u003e\n\u003cli\u003eRefer to your vehicle's official service manual for detailed, model‑specific procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStep 1: Remove the Old Catalytic Converter\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eLocate the existing catalytic converter in the exhaust system.\u003c\/li\u003e\n\u003cli\u003eRemove any heat shields or brackets that may be in the way.\u003c\/li\u003e\n\u003cli\u003eDisconnect the oxygen sensors (O₂ sensors) from the old converter. Take care not to damage the sensor wiring.\u003c\/li\u003e\n\u003cli\u003eUnbolt the flanged connections at both ends of the converter. If the bolts are seized, apply additional penetrating oil and allow it to soak.\u003c\/li\u003e\n\u003cli\u003eCarefully remove the old catalytic converter assembly from the vehicle.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 2: Prepare the Exhaust Pipes\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eUse a wire brush or sandpaper to thoroughly clean any rust, carbon deposits, or old gasket material from the exposed exhaust pipe ends and flanges.\u003c\/li\u003e\n\u003cli\u003eMeasure and mark the cutting points on the exhaust pipes to match the new converter's dimensions.\u003c\/li\u003e\n\u003cli\u003eCut the pipes as needed using an appropriate cutting tool (e.g., reciprocating saw or exhaust pipe cutter).\u003c\/li\u003e\n\u003cli\u003eDeburr the cut edges to ensure a clean, smooth surface for welding.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 3: Position the New Converter\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePosition the new universal metal catalytic converter in place.\u003c\/li\u003e\n\u003cli\u003eEnsure the converter is oriented correctly — check for any flow direction arrows marked on the unit.\u003c\/li\u003e\n\u003cli\u003eConfirm that the converter is properly aligned with the exhaust system and that all hanger brackets align with the vehicle's mounting points.\u003c\/li\u003e\n\u003cli\u003eUse jack stands to support the converter at the correct height during fitting.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 4: Weld the Converter in Place\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eTack weld the converter at multiple points to secure its position before final welding.\u003c\/li\u003e\n\u003cli\u003ePerform full welds around the entire circumference of both the inlet and outlet connections.\u003c\/li\u003e\n\u003cli\u003eUse appropriate welding techniques and filler material (stainless steel wire) to prevent corrosion.\u003c\/li\u003e\n\u003cli\u003eAllow the welds to cool slowly to prevent warping or stress fractures.\u003c\/li\u003e\n\u003cli\u003eIf using clamps instead of welding, ensure all clamps are tightened to the manufacturer's torque specifications.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 5: Reinstall Components and Test\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eReinstall any heat shields or brackets that were removed.\u003c\/li\u003e\n\u003cli\u003eReconnect the oxygen sensors to the new converter. Ensure the sensors are properly seated and the wiring is secure.\u003c\/li\u003e\n\u003cli\u003eCheck that all hanger rods are centered in the isolators.\u003c\/li\u003e\n\u003cli\u003eReconnect the negative battery terminal.\u003c\/li\u003e\n\u003cli\u003eStart the engine and check for exhaust leaks around all welded and bolted connections.\u003c\/li\u003e\n\u003cli\u003eAllow the engine to reach normal operating temperature and verify that the check engine light remains off.\u003c\/li\u003e\n\u003cli\u003eTake a short test drive to confirm proper function and listen for any unusual noises.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"warning-box\"\u003e⚠️ \u003cstrong\u003eImportant Safety \u0026amp; Compliance Notes:\u003c\/strong\u003e\u003cbr\u003e• All welding must be performed by a qualified technician to maintain the integrity of the exhaust system.\u003cbr\u003e• Improper installation may damage the substrate, reduce performance, void the warranty, and create safety hazards.\u003cbr\u003e• Ensure the replacement converter is the correct type for your vehicle to avoid adverse effects on performance or emission control.\u003cbr\u003e• For vehicles registered in California or other CARB-restricted states, verify that the converter meets applicable CARB compliance requirements.\u003cbr\u003e• Always follow your vehicle manufacturer's service procedures. This guide provides general instructions only.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q7 – 外壳陶瓷催化剂安装指南 --\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e Installation guide for shell-type ceramic catalytic converter\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eThis is a \u003cstrong\u003ecomplete shell-type ceramic catalytic converter\u003c\/strong\u003e (not just an internal substrate core). It comes as a fully assembled unit with the ceramic honeycomb substrate already encapsulated inside a metal shell, ready for direct bolt-on or weld-on installation. Professional installation by a qualified exhaust technician is strongly recommended. Follow these step‑by‑step guidelines:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Before You Begin:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is parked on a level surface and securely supported with jack stands.\u003c\/li\u003e\n\u003cli\u003eAllow the exhaust system to cool completely before starting work — catalytic converters operate at extremely high temperatures.\u003c\/li\u003e\n\u003cli\u003eDisconnect the negative battery terminal to prevent electrical shorts and reset the ECU after installation.\u003c\/li\u003e\n\u003cli\u003eSpray all mounting bolts and flange nuts with penetrating oil a few hours ahead to ease removal.\u003c\/li\u003e\n\u003cli\u003eRefer to your vehicle's official service manual for detailed, model‑specific procedures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify compatibility:\u003c\/strong\u003e Confirm that the converter's dimensions (inlet\/outlet diameter, overall length, flange orientation) match your vehicle's exhaust system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStep 1: Locate and Access the Old Converter\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRaise the vehicle and secure it on jack stands. Allow sufficient working space under the chassis.\u003c\/li\u003e\n\u003cli\u003eLocate the existing catalytic converter in the exhaust system — typically between the exhaust manifold and the muffler.\u003c\/li\u003e\n\u003cli\u003eRemove any heat shields, underbody covers, or brackets that may obstruct access to the converter.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 2: Remove Oxygen Sensors (O₂ Sensors)\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eCarefully disconnect the wiring harness connectors from the upstream and downstream oxygen sensors.\u003c\/li\u003e\n\u003cli\u003eUse an O₂ sensor socket or a 22mm wrench to unscrew the sensors from the old converter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Handle the sensors with care — do not damage the sensor tips or wiring. If the sensors are seized, apply penetrating oil and allow it to soak.\u003c\/li\u003e\n\u003cli\u003eInspect the sensors for damage or carbon buildup. Consider replacing them if they show signs of wear.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 3: Remove the Old Catalytic Converter\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eUnbolt the flange connections at both the inlet (engine side) and outlet (exhaust side) ends of the converter.\u003c\/li\u003e\n\u003cli\u003eIf the exhaust system uses a clamped connection, loosen the clamp bolts and separate the pipes.\u003c\/li\u003e\n\u003cli\u003eFor weld‑on units, carefully cut the pipes at the designated points using a reciprocating saw or exhaust pipe cutter.\u003c\/li\u003e\n\u003cli\u003eSupport the converter with one hand while removing the last bolts to prevent it from falling.\u003c\/li\u003e\n\u003cli\u003eCarefully lower and remove the old catalytic converter assembly from the vehicle.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 4: Prepare the Exhaust Pipes for Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eUse a wire brush or sandpaper to thoroughly clean any rust, carbon deposits, or old gasket material from the exhaust pipe flanges and mating surfaces.\u003c\/li\u003e\n\u003cli\u003eIf the pipes were cut, deburr the cut edges to ensure a clean, smooth surface for welding or clamping.\u003c\/li\u003e\n\u003cli\u003eCheck that the pipe ends are round and free of distortion. Use an exhaust pipe expander if needed to restore proper shape.\u003c\/li\u003e\n\u003cli\u003eInstall new gaskets on both the inlet and outlet flanges — never reuse old gaskets.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 5: Position and Install the New Converter\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePosition the new shell-type ceramic catalytic converter in place under the vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck flow direction:\u003c\/strong\u003e Ensure the converter is oriented correctly — look for the flow direction arrow marked on the shell. The arrow should point toward the rear of the vehicle (exhaust outlet).\u003c\/li\u003e\n\u003cli\u003eAlign the inlet flange with the exhaust pipe coming from the engine, and the outlet flange with the downstream exhaust pipe.\u003c\/li\u003e\n\u003cli\u003eConfirm that all hanger brackets and mounting points align with the vehicle's existing exhaust hangers.\u003c\/li\u003e\n\u003cli\u003eUse a floor jack or transmission jack to support the converter at the correct height during fitting.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 6: Secure the Connections\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor bolt‑on\/flanged converters:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eInsert new bolts and nuts (use high‑temperature anti‑seize compound on the threads).\u003c\/li\u003e\n\u003cli\u003eTighten the flange bolts evenly in a criss‑cross pattern to the manufacturer's torque specifications.\u003c\/li\u003e\n\u003cli\u003eDo not overtighten — excessive torque can warp the flanges and cause exhaust leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor weld‑on converters:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eTack weld the converter at multiple points (top, bottom, sides) to secure its position before final welding.\u003c\/li\u003e\n\u003cli\u003ePerform full welds around the entire circumference of both the inlet and outlet connections.\u003c\/li\u003e\n\u003cli\u003eUse appropriate welding techniques and filler material (stainless steel wire for stainless exhausts).\u003c\/li\u003e\n\u003cli\u003eAllow the welds to cool slowly to prevent warping or stress fractures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor clamped connections:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eSlide the clamp over the joint and position it evenly.\u003c\/li\u003e\n\u003cli\u003eTighten the clamp bolts to the manufacturer's torque specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 7: Reinstall Oxygen Sensors\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eApply a small amount of anti‑seize compound to the sensor threads (avoid getting any on the sensor tip).\u003c\/li\u003e\n\u003cli\u003eScrew the upstream and downstream O₂ sensors into their respective bungs on the new converter.\u003c\/li\u003e\n\u003cli\u003eTighten to the specified torque (typically 30–45 Nm). Do not overtighten.\u003c\/li\u003e\n\u003cli\u003eReconnect the sensor wiring harnesses securely.\u003c\/li\u003e\n\u003cli\u003eRoute the wiring away from hot exhaust components and moving parts.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 8: Reinstall Heat Shields and Final Checks\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eReinstall any heat shields, underbody covers, or brackets that were removed.\u003c\/li\u003e\n\u003cli\u003eCheck that all hanger rods are properly seated in the rubber isolators.\u003c\/li\u003e\n\u003cli\u003eVerify that there is adequate clearance between the converter and any surrounding components (fuel lines, brake lines, wiring, body panels).\u003c\/li\u003e\n\u003cli\u003eDouble‑check that all bolts, nuts, and clamps are tightened to specification.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eStep 9: Reconnect Battery and Test Operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eReconnect the negative battery terminal.\u003c\/li\u003e\n\u003cli\u003eStart the engine and allow it to idle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck for exhaust leaks:\u003c\/strong\u003e Listen for hissing sounds and feel around all connections (flanges, welds, clamps, sensor bungs) for escaping exhaust gases. Use a soapy water spray — bubbles indicate a leak.\u003c\/li\u003e\n\u003cli\u003eAllow the engine to reach normal operating temperature (the catalytic converter needs to reach light‑off temperature, typically around 300°C, to function properly).\u003c\/li\u003e\n\u003cli\u003eVerify that the check engine light remains off. If it illuminates, use an OBD‑II scanner to read the diagnostic trouble codes.\u003c\/li\u003e\n\u003cli\u003eTake a short test drive (10–15 minutes) to confirm proper function. Listen for any unusual noises or vibrations.\u003c\/li\u003e\n\u003cli\u003eAfter the test drive, re‑check all connections for leaks while the system is hot.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"warning-box\"\u003e⚠️ \u003cstrong\u003eImportant Safety \u0026amp; Compliance Notes:\u003c\/strong\u003e\u003cbr\u003e• This converter contains a ceramic substrate — handle with care. Dropping or impacting the unit can crack the ceramic core, rendering it useless.\u003cbr\u003e• All welding must be performed by a qualified technician to maintain the structural integrity of the exhaust system.\u003cbr\u003e• Improper installation may damage the substrate, reduce performance, void the warranty, and create safety hazards (exhaust leaks can allow carbon monoxide to enter the cabin).\u003cbr\u003e• Ensure the replacement converter is the correct type for your vehicle's engine and emissions system. Using an incorrect converter can trigger check engine lights and cause failed emissions tests.\u003cbr\u003e• For vehicles registered in California or other CARB‑restricted states, verify that the converter meets applicable CARB compliance requirements.\u003cbr\u003e• Always follow your vehicle manufacturer's service procedures. This guide provides general instructions only — refer to your vehicle's service manual for torque specifications and model‑specific details.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q8 – 发货\/运输时间 --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n\u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n\u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q9 – 联系我们 --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\u003cdiv class=\"contact-item\"\u003e\n\u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003eWhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003eE-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"contact-item\"\u003e\n\u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003eWhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003eE-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"contact-item\"\u003e\n\u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003eWhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003eE-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q10 – 公司总部地址 --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ10\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT","offers":[{"title":"Ceramic silencer \/ 400 \/ 101 x 90mm","offer_id":51811633529178,"sku":null,"price":123.54,"currency_code":"GBP","in_stock":true},{"title":"Ceramic silencer \/ 400 \/ 101 x 110mm","offer_id":51811633561946,"sku":null,"price":111.58,"currency_code":"GBP","in_stock":true},{"title":"Ceramic silencer \/ 400 \/ 101 x 130mm","offer_id":51811633627482,"sku":null,"price":140.64,"currency_code":"GBP","in_stock":true},{"title":"Ceramic silencer \/ 400 \/ 101 x 160mm","offer_id":51811633660250,"sku":null,"price":166.28,"currency_code":"GBP","in_stock":true},{"title":"Ceramic catalyst \/ 400 \/ 101 x 90mm","offer_id":54394714456410,"sku":null,"price":80.81,"currency_code":"GBP","in_stock":false},{"title":"Ceramic catalyst \/ 400 \/ 101 x 110mm","offer_id":54394714489178,"sku":null,"price":80.81,"currency_code":"GBP","in_stock":false},{"title":"Ceramic catalyst \/ 400 \/ 101 x 130mm","offer_id":54394714521946,"sku":null,"price":80.81,"currency_code":"GBP","in_stock":false},{"title":"Ceramic catalyst \/ 400 \/ 101 x 160mm","offer_id":54394714554714,"sku":null,"price":80.81,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/EPA_CARB_Euro_6_Compliant_Cat.jpg?v=1754015350"}],"url":"https:\/\/www.svipcat.com\/collections\/shell-catalyst.oembed","provider":"SVIPCAT Store","version":"1.0","type":"link"}