{"product_id":"poc-catalytic-converter-for-gasoline-cars-diameter-98mm","title":"POC Catalytic Converter for Gasoline Cars Diameter 98mm","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\n\u003cdiv class=\"cat-faq-module\"\u003e\n  \u003cdiv class=\"module-header\"\u003e\n    \u003ch2\u003e Product Description \u003c\/h2\u003e\n    \u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Q1 – 金属载体材质说明 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e Metal substrate material specifications\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eMetal honeycomb substrates are manufactured in nearly 10,000 specifications and support full non‑standard customization.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHousing materials:\u003c\/strong\u003e 316L, 304, 444, 441 (or customer‑specified).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e FeCr21Al6 (ferritic stainless steel).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCarrier outer diameter:\u003c\/strong\u003e 12 – 960 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 9 – 150 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCell density (CPSI):\u003c\/strong\u003e 5 – 1200 cpsi.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eShell wall thickness:\u003c\/strong\u003e 0.5 – 3.0 mm (shell‑less option available).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore wall thickness:\u003c\/strong\u003e 0.03 – 0.18 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInternal core configuration:\u003c\/strong\u003e single core, S‑core, or three‑core.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAvailable shapes:\u003c\/strong\u003e cylindrical, rectangular, square, racetrack (oval), elliptical, trapezoidal, pentagonal, pear‑shaped.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eThese substrates offer extreme design flexibility to match virtually any exhaust system requirement.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q2 – 金属POC催化剂工作原理 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of metal POC catalyst\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003ePOC\u003c\/strong\u003e stands for \u003cstrong\u003eParticulate Oxidation Catalyst\u003c\/strong\u003e . A metal POC catalyst is an exhaust after‑treatment device designed to capture and oxidize particulate matter (PM) from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWorking Principle:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCapture \u0026amp; Storage:\u003c\/strong\u003e As exhaust gases pass through the metal honeycomb substrate, particulate matter (soot and carbon particles) is physically captured and stored on the catalyst surface.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Oxidation:\u003c\/strong\u003e The captured particles are then oxidized (burned off) at temperatures between \u003cstrong\u003e250°C – 500°C\u003c\/strong\u003e through a catalytic reaction. The precious metal coating (platinum, palladium) on the metal substrate lowers the ignition temperature of the soot, allowing continuous passive regeneration during normal driving conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through Design:\u003c\/strong\u003e Unlike a DPF (Diesel Particulate Filter) which can become blocked, the POC uses an open flow‑through channel structure that allows exhaust gases to pass even when the PM storage capacity is saturated. This design minimizes backpressure while still achieving \u003cstrong\u003eup to 60% particle reduction\u003c\/strong\u003e and \u003cstrong\u003e80–90% HC and CO conversion\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMetal Substrate Advantages for POC:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFaster light‑off:\u003c\/strong\u003e Metal substrates have higher thermal conductivity, reaching operating temperature more quickly.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSuperior durability:\u003c\/strong\u003e Metal substrates resist thermal shock and vibration better than ceramic.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigher cell density options:\u003c\/strong\u003e Allows for greater surface area and improved particle capture efficiency.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLower backpressure:\u003c\/strong\u003e Thinner walls reduce exhaust restriction compared to ceramic substrates of equivalent volume.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q3 – 什么是金属POC --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e What is a metal POC?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA \u003cstrong\u003emetal POC (Particulate Oxidation Catalyst)\u003c\/strong\u003e is a catalytic converter that uses a \u003cstrong\u003emetal honeycomb substrate\u003c\/strong\u003e (rather than ceramic) to capture and oxidize particulate matter from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSubstrate Material:\u003c\/strong\u003e FeCrAl alloy (ferritic stainless steel) with a corrugated or sinusoidal channel structure.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Coating:\u003c\/strong\u003e Coated with a washcoat containing precious metals (platinum, palladium) and promoters (ceria, alumina) that enable the oxidation of captured particles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e The metal foil is rolled or stacked to create a honeycomb structure with thin walls (as low as 0.03 mm) and high cell densities (up to 1200 CPSI).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through vs. Wall‑Flow:\u003c\/strong\u003e Unlike a DPF which uses a wall‑flow design that can clog, a POC uses an open flow‑through design that allows exhaust to pass even when saturated.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eHow it differs from a traditional three‑way catalytic converter:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eA \u003cstrong\u003ethree‑way catalyst (TWC)\u003c\/strong\u003e primarily converts gaseous pollutants (CO, HC, NOx) through chemical reactions.\u003c\/li\u003e\n        \u003cli\u003eA \u003cstrong\u003ePOC\u003c\/strong\u003e specifically targets \u003cstrong\u003eparticulate matter (soot)\u003c\/strong\u003e, capturing it and burning it off through catalytic oxidation.\u003c\/li\u003e\n        \u003cli\u003eMany modern vehicles use both: a TWC for gaseous emissions and a POC or GPF (Gasoline Particulate Filter) for particulate control.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eMetal POC catalysts are commonly used in \u003cstrong\u003egasoline direct injection (GDI)\u003c\/strong\u003e engines and \u003cstrong\u003ediesel\u003c\/strong\u003e applications to meet Euro 4, Euro 5, and Euro 6 particulate emission standards.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q4 – 新增：3g\/cft和5g\/cft对应标准 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e What standards do 3g\/cft and 5g\/cft correspond to?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003e3g\/cft\u003c\/strong\u003e and \u003cstrong\u003e5g\/cft\u003c\/strong\u003e refer to the precious metal loading (typically platinum, palladium, and rhodium) in the catalytic converter, measured in \u003cstrong\u003egrams per cubic foot\u003c\/strong\u003e of substrate volume.\u003c\/p\u003e\n\n      \u003cp\u003eThese loadings are directly linked to emission standards:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 5\u003c\/strong\u003e – requires a catalyst with \u003cstrong\u003e3g\/cft\u003c\/strong\u003e (3 grams of precious metals per cubic foot) to achieve the required conversion efficiency for HC, CO, and NOx.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6\u003c\/strong\u003e – requires a higher loading of \u003cstrong\u003e5g\/cft\u003c\/strong\u003e (5 grams per cubic foot) to meet the stricter emission limits, especially for NOx and particulate matter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eIn general, higher g\/cft values provide better catalytic activity and durability, allowing the converter to maintain performance over a longer period and under more demanding conditions.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy this matters to you:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eIf your vehicle needs to comply with Euro 5 standards, a 3g\/cft converter is sufficient.\u003c\/li\u003e\n        \u003cli\u003eIf your vehicle must meet Euro 6 (or higher) standards, you will need a 5g\/cft or even higher loading converter to ensure proper emissions control.\u003c\/li\u003e\n        \u003cli\u003eAlways check your vehicle's emission certification level before selecting a replacement converter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q5 – 汽油车金属POC的作用（原Q4，现改为Q5） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e What is the function of a metal POC for gasoline vehicles?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA metal POC (Particulate Oxidation Catalyst) for gasoline vehicles serves several critical functions in the exhaust after‑treatment system:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003ePrimary Functions:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eParticulate Matter (PM) Reduction:\u003c\/strong\u003e Captures and oxidizes soot particles from gasoline direct injection (GDI) engines. GDI engines produce more particulate emissions than traditional port‑fuel‑injected engines, and the POC helps reduce these emissions to meet Euro 6 particle number (PN) limits.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHydrocarbon (HC) and Carbon Monoxide (CO) Oxidation:\u003c\/strong\u003e The catalytic coating on the metal substrate oxidizes unburned hydrocarbons and carbon monoxide into CO₂ and H₂O, achieving \u003cstrong\u003e80–90% conversion efficiency\u003c\/strong\u003e.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive Regeneration:\u003c\/strong\u003e During normal driving, exhaust temperatures (250°C–500°C) are sufficient to oxidize the captured soot, continuously regenerating the catalyst without the need for active regeneration cycles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eReduced Backpressure:\u003c\/strong\u003e The open flow‑through design of the metal POC minimizes exhaust backpressure compared to wall‑flow filters, preserving engine performance and fuel economy.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy use a metal POC on a gasoline vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6 compliance:\u003c\/strong\u003e Euro 6 emission standards introduced a particle number (PN) limit for gasoline vehicles. A POC helps GDI engines meet these requirements.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCost‑effective alternative to GPF:\u003c\/strong\u003e A POC is often more affordable and less restrictive than a full Gasoline Particulate Filter (GPF).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The metal substrate is more resistant to thermal shock and vibration than ceramic, making it ideal for high‑performance and modified vehicles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Metal POC catalysts can be made with thinner walls and higher cell densities, allowing for smaller, more efficient packaging.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eTypical Installation Location:\u003c\/strong\u003e\u003cbr\u003e\n      A metal POC is typically installed \u003cstrong\u003edownstream of the three‑way catalytic converter (TWC)\u003c\/strong\u003e but \u003cstrong\u003eupstream of the muffler\u003c\/strong\u003e. This allows the POC to benefit from the heat of the exhaust gases while providing additional particulate control after the primary gaseous emission treatment.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q6 – 质保（1年，不包括公里数，原Q5，现改为Q6） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e What is your warranty policy?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur warranty policy for catalytic converter products is as follows:\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\u003e1‑year 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\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This warranty is based on \u003cstrong\u003etime only (1 year from the date of purchase)\u003c\/strong\u003e and does not include any mileage or kilometer limitation.\u003c\/p\u003e\n      \u003cp\u003eThe warranty does not cover damage caused by:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eImproper installation\u003c\/li\u003e\n        \u003cli\u003eEngine misfire or mechanical issues\u003c\/li\u003e\n        \u003cli\u003eUse of leaded or low‑quality fuel\u003c\/li\u003e\n        \u003cli\u003ePhysical impact damage\u003c\/li\u003e\n        \u003cli\u003eContamination from oil or coolant\u003c\/li\u003e\n        \u003cli\u003eOverheating due to incorrect tuning or modified engines\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003ePlease retain your purchase receipt and installation records for any warranty claims. If you have any questions about warranty coverage, please contact our support team.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q7 – 金属催化剂安装指南（通用，原Q6，现改为Q7） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e Installation guide for metal catalytic converters\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eThis guide covers the general installation procedure for metal substrate catalytic converters (both universal and shell‑type units). Professional installation by a qualified exhaust technician is strongly recommended.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003e⚠️ Before You Begin:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003ePark the vehicle on a level, solid surface and use jack stands.\u003c\/li\u003e\n        \u003cli\u003eAllow the exhaust system to cool completely – catalytic converters retain heat for a long time.\u003c\/li\u003e\n        \u003cli\u003eDisconnect the negative battery terminal.\u003c\/li\u003e\n        \u003cli\u003eApply penetrating oil to all bolts and nuts at least a few hours in advance.\u003c\/li\u003e\n        \u003cli\u003eConsult your vehicle's service manual for specific torque values and component locations.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 1: Remove the Old Catalytic Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eRaise the vehicle and secure it safely.\u003c\/li\u003e\n        \u003cli\u003eRemove heat shields, braces, or underbody covers that block access.\u003c\/li\u003e\n        \u003cli\u003eUnplug the upstream and downstream oxygen sensors (O₂ sensors) and carefully unscrew them from the old converter.\u003c\/li\u003e\n        \u003cli\u003eUnbolt the flanged connections at the inlet and outlet. If the converter is welded, cut the pipes at the appropriate points using a reciprocating saw or exhaust pipe cutter.\u003c\/li\u003e\n        \u003cli\u003eRemove the old converter assembly from the vehicle.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 2: Prepare the Exhaust Pipes\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eClean the pipe ends thoroughly with a wire brush to remove rust, carbon, and old gasket material.\u003c\/li\u003e\n        \u003cli\u003eIf cut, deburr the edges to ensure a smooth surface.\u003c\/li\u003e\n        \u003cli\u003eCheck the pipe diameter and roundness; use an expander if needed.\u003c\/li\u003e\n        \u003cli\u003eFit new gaskets on both flanges (never reuse old gaskets).\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 3: Position and Install the New Metal Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003ePlace the new converter in the exhaust system, ensuring the flow direction arrow points toward the rear of the vehicle.\u003c\/li\u003e\n        \u003cli\u003eAlign the inlet and outlet pipes with the flanges or cut ends.\u003c\/li\u003e\n        \u003cli\u003eFor bolt‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eInsert new bolts and nuts, apply high‑temperature anti‑seize, and torque to the manufacturer's specification (usually 30–45 Nm).\u003c\/li\u003e\n            \u003cli\u003eTighten in a cross‑pattern to avoid warping.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor weld‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eTack‑weld in several places to hold position.\u003c\/li\u003e\n            \u003cli\u003eVerify alignment and weld fully around both joints using stainless steel wire (for stainless exhausts).\u003c\/li\u003e\n            \u003cli\u003eAllow the welds to cool slowly.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor clamp‑on connections, slide the clamp over the joint and tighten to the recommended torque.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 4: Reinstall Oxygen Sensors and Other Components\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eApply a small amount of anti‑seize to the sensor threads (avoid the sensor tip).\u003c\/li\u003e\n        \u003cli\u003eScrew the O₂ sensors into their bungs on the new converter and torque to 30–45 Nm.\u003c\/li\u003e\n        \u003cli\u003eReconnect the sensor wiring securely and route it away from heat sources.\u003c\/li\u003e\n        \u003cli\u003eReinstall all heat shields, brackets, and underbody covers removed earlier.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 5: Test the Installation\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eReconnect the battery.\u003c\/li\u003e\n        \u003cli\u003eStart the engine and let it idle.\u003c\/li\u003e\n        \u003cli\u003eCheck for exhaust leaks around all joints (listen for hissing, feel for escaping gases, or use soapy water spray).\u003c\/li\u003e\n        \u003cli\u003eAllow the engine to reach normal operating temperature (the converter needs ~300°C to begin working).\u003c\/li\u003e\n        \u003cli\u003eVerify that the check engine light does not appear. If it does, use an OBD‑II scanner to read codes; common issues include O₂ sensor problems or catalyst inefficiency.\u003c\/li\u003e\n        \u003cli\u003eTake a 10‑15 minute test drive and re‑inspect all connections after the system has cooled.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cdiv class=\"warning-box\"\u003e\n        ⚠️ \u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003cbr\u003e\n        • Metal substrates can be damaged by excessive heat – ensure proper fuel mixture and ignition timing to avoid meltdown.\u003cbr\u003e\n        • Always use the correct type of converter for your engine size and power output.\u003cbr\u003e\n        • For high‑flow performance converters, ECU tuning may be required to prevent error codes.\u003cbr\u003e\n        • In some areas, replacing a converter with a non‑OEM unit may be illegal – check local emissions laws beforehand.\u003cbr\u003e\n        • If you are not experienced with exhaust system work, we strongly recommend using a professional shop.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q8 – 发货\/运输时间（原Q7，现改为Q8） --\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\n  \u003c!-- Q9 – 联系我们（原Q8，现改为Q9） --\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\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\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\n  \u003c!-- Q10 – 公司总部地址（原Q9，现改为Q10） --\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 Store","offers":[{"title":"98x100mm \/ 3g\/cft","offer_id":54410158178650,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"98x100mm \/ 5g\/cft","offer_id":54410158211418,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"98x120mm \/ 3g\/cft","offer_id":54410158244186,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"98x120mm \/ 5g\/cft","offer_id":54410158276954,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/2_14ee8a52-97ab-462a-ade0-52985c35ee51.jpg?v=1783837801","url":"https:\/\/www.svipcat.com\/products\/poc-catalytic-converter-for-gasoline-cars-diameter-98mm","provider":"SVIPCAT Store","version":"1.0","type":"link"}