{"product_id":"premium-t304-stainless-steel-exhaust-manifold-for-toyota-camry-rav4-avalon-2-5l-a25a-fks-2018-2026-direct-bolt-on","title":"Catless 4-1 Race Header for Toyota Camry RAV4 Avalon 2.5L A25A-FKS","description":"\u003ch3 class=\"AdPoic\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eDESCRIPTION\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h3\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003eMaximize Flow. Reduce Backpressure. Unlock Your 2.5L Dynamic Force Engine's Potential.\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003eThe factory manifold on the Toyota 2.5L engine contains a highly restrictive catalytic converter that blocks exhaust gas flow and limits overall response. This WANMAX RACING Premium Performance Catless Race Header is engineered to break those boundaries. By eliminating the stock catalytic converter and adopting an optimized high-flow runner layout, it drastically reduces exhaust backpressure. This setup accelerates exhaust gas scavenging, sharpens throttle response, and unlocks hidden horsepower and torque throughout the RPM range while adding a deep, throatier race-inspired tone.\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003ch3 class=\"AdPoic\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eVEHICLE FITMENT\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h3\u003e\n\u003ctable class=\"all magic-4\" style=\"width: 100%; height: 235.125px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 9.65708%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-14\"\u003e\u003cb\u003eMake\u003c\/b\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 8.06416%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-9\"\u003e\u003cb\u003eModel\u003c\/b\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 10.3402%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-10\"\u003e\u003cb\u003eYear Range\u003c\/b\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 14.87%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-11\"\u003e\u003cb\u003eEngine Type\u003c\/b\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 11.3855%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-12\"\u003e\u003cb\u003eEngine Code\u003c\/b\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6034%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-15\"\u003e\u003cb\u003eTrim\/Fitment Notes\u003c\/b\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 9.65708%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-14\"\u003eFor Toyota\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 8.06416%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-9\"\u003eCamry\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 10.3402%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-10\"\u003e2018–2026\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 14.87%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-11\"\u003e2.5L 4-Cylinder Gas\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 11.3855%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-12\"\u003eA25A-FKS\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6034%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-15\"\u003eFits LE, SE, XLE, XSE (Naturally Aspirated Gas Only)\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 9.65708%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-14\"\u003eFor Toyota\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 8.06416%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-9\"\u003eRAV4\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 10.3402%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-10\"\u003e2019–2026\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 14.87%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-11\"\u003e2.5L 4-Cylinder Gas\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 11.3855%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-12\"\u003eA25A-FKS\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6034%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-15\"\u003eFits FWD \u0026amp; AWD Gas models (LE, XLE, XLE Premium, Limited)\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 9.65708%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-14\"\u003eFor Toyota\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 8.06416%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-9\"\u003eAvalon\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 10.3402%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-10\"\u003e2019–2022\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 14.87%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-11\"\u003e2.5L 4-Cylinder Gas\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 11.3855%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-12\"\u003eA25A-FKS\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 38.6034%; height: 39.1875px;\"\u003e\n\u003cdiv class=\"magic-15\"\u003eFits XLE, XSE (Naturally Aspirated Gas Only)\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd colspan=\"6\" style=\"width: 92.9203%; height: 78.375px;\"\u003e\n\u003cdiv class=\"magic-16\"\u003e\n\u003cb\u003eIMPORTANT NOTES:\u003c\/b\u003eDoes NOT fit Hybrid models (e.g., Camry Hybrid, RAV4 Hybrid\/Prime). Does NOT fit V6 engines (e.g., 3.5L Camry V6).\u003cbr\u003eCheck Engine Light (CEL) Note: This is a catless race header. ECU tuning or an O2 sensor spacer is highly recommended after installation to prevent a CEL.\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003ch3 class=\"AdPoic\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eKEY FEATURES\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h3\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003e100% Precise Fitment Guarantee:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Specifically engineered as a direct bolt-on upgrade for models equipped with the 2.5L 4-Cylinder Dynamic Force gas engine.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eMaximum Power \u0026amp; Throttle Response:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Eliminates the highly restrictive factory catalytic converter, drastically reducing backpressure to maximize exhaust flow, unlock hidden horsepower, and improve throttle response.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003ePremium T304 Stainless Steel:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Constructed from heavy-duty, aircraft-grade T304 stainless steel with mandrel-bent tubing and precision TIG welding to ensure exceptional durability, heat resistance, and rust prevention.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eAggressive Race-Inspired Sound:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Transforms your vehicle's exhaust note by delivering a much deeper, throatier, and aggressive race-inspired tone under acceleration without excessive highway drone.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eComplete Installation Hardware:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Includes high-quality replacement gaskets and mounting bolts required for a hassle-free, leak-free installation, matching perfectly with the factory cylinder head and mid-pipe connections.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003ch3 class=\"AdPoic\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eTECH SPECIFICATIONS\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h3\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eBrand\/Series:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e WANMAX RACING Performance Series\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eMaterial:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Heavy-Duty T304 Stainless Steel\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003ePiping Layout:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e 4-1 High-Flow Runner Design\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eCatalytic Converter:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e None (Straight-Through Catless Race Design)\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eWelding Method:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Precision TIG Welding\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eInstallation Type:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e 100% Direct Bolt-On OEM Replacement (No cutting or welding required)\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003ch3 class=\"AdPoic\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eWHAT'S IN THE BOX:\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h3\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e1x WANMAX RACING 4-1 Catless Stainless Steel Exhaust Header\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e1x High-Temperature Exhaust Gasket\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e1x Flange O-Ring Gasket\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e2x Heavy-Duty Mounting Bolts \u0026amp; Nuts Kit\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"iNqyIf\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cb\u003eQ1: Will this header fit my 2018-2026 Toyota Camry Hybrid?\u003c\/b\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cb\u003eA: No, it will not. \u003c\/b\u003eThis header is strictly engineered for 2.5L 4-Cylinder\u003cb\u003e Naturally Aspirated\u003c\/b\u003e Gas models (Engine Code: A25A-FKS) including LE, SE, XLE, and XSE trims. It does \u003cb\u003eNOT\u003c\/b\u003e fit Hybrid variants or V6 models.\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cb\u003eQ2: Will installing this catless header trigger a Check Engine Light (CEL)?\u003c\/b\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cb\u003eA: Yes, it will. \u003c\/b\u003eBecause this header eliminates the factory catalytic converter, the secondary oxygen sensor will detect increased exhaust flow and trigger a CEL. To fix or prevent this, you will need an ECU tune\/remap, or an O2 sensor spacer with a built-in mini catalytic converter.\u003c\/span\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cb\u003eQ3: Is this header a direct bolt-on, or do I need to cut\/weld my exhaust?\u003c\/b\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cb\u003eA: \u003c\/b\u003eIt is a \u003cb\u003e100% direct bolt-on design. \u003c\/b\u003eIt uses precise CNC-machined flanges that match perfectly with your factory cylinder head and connect directly to the OEM mid-pipe without any cutting or welding required.\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cb\u003eQ4: Does the package come with all necessary installation hardware?\u003c\/b\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cb\u003eA: Yes.\u003c\/b\u003e The kit includes high-quality replacement gaskets and the necessary mounting hardware (bolts\/nuts) to ensure a secure, leak-free installation. However, we highly recommend professional installation.\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cb\u003eQ5: What kind of performance gains and sound changes can I expect?\u003c\/b\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cb\u003eA:\u003c\/b\u003e By drastically reducing exhaust backpressure, you will experience noticeably quicker throttle response and enhanced top-end horsepower. In terms of sound, it transforms the quiet factory exhaust into a much deeper, louder, and throatier race-inspired exhaust note under acceleration.\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cb\u003eQ6: Is this product street legal?\u003c\/b\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan class=\"magic-18\"\u003e\u003cb\u003eA: \u003c\/b\u003eThis is a catless race header intended strictly for \u003cb\u003eoff-road, track, or racing use only.\u003c\/b\u003e Please check your local environmental regulations regarding aftermarket exhaust modifications before purchasing.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003e\n\u003cspan\u003eProfessional Installation Notes \u0026amp; Tips\u003cb\u003e \u003c\/b\u003e\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cb\u003eProfessional Installation Highly Recommended:\u003c\/b\u003e Exhaust header replacement can be complex and requires specialized tools. We strongly recommend having this product installed by a certified mechanic or a professional exhaust shop.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cb\u003eEngine Cooling Time: \u003c\/b\u003eAlways ensure the vehicle has cooled down completely (at least 2-3 hours after driving) before beginning the installation. The factory exhaust manifold reaches extreme temperatures and can cause severe burns.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cb\u003eO2 Sensor Handling: \u003c\/b\u003eBe extremely careful when removing and reinstalling the factory oxygen (O2) sensors. Do not drop them or touch the sensor tips. Always apply a thin layer of anti-seize lubricant to the O2 sensor threads before threading them into the new header.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cb\u003eTorque Sequence \u0026amp; Specs: \u003c\/b\u003eTo prevent exhaust leaks and warped flanges, tighten the cylinder head nuts in a cross-pattern sequence starting from the center and moving outwards. Always torque the nuts to factory specifications.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cb\u003eHeat Shield Management:\u003c\/b\u003e Since this performance header replaces the bulky factory manifold, the OEM heat shield may need to be removed or slightly modified. Ensure all nearby wiring harnesses, brake lines, and plastic components have adequate clearance or are wrapped with heat-reflective tape to prevent heat damage.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cb\u003ePost-Installation Inspection:\u003c\/b\u003e After completing the installation, start the engine and let it idle for 5-10 minutes. Check thoroughly for any exhaust leaks or unusual vibrations. We highly recommend re-checking and re-tightening all bolts after the first 50-100 miles of driving as the metal expands and contracts.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Wanmax Racing","offers":[{"title":"Default Title","offer_id":55184156492148,"sku":"WM-TOYOTA-CAMRY-RAV4-AVALON-A25A-FKS-25L-CATLESS-HDR","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/7244\/2740\/files\/For2018-2026ToyotaCamryRAV4Avalon2.5L4-CylGasCatlessRaceManifold_25_5_bafc40d9-21da-43b1-b241-8be04ca275f0.jpg?v=1786947446","url":"https:\/\/wanmaxracing.com\/products\/premium-t304-stainless-steel-exhaust-manifold-for-toyota-camry-rav4-avalon-2-5l-a25a-fks-2018-2026-direct-bolt-on","provider":"Wanmax Racing","version":"1.0","type":"link"}