{"product_id":"advance-headers-toyota-hilux-4-cylinder-diesel-a243","title":"Advance Headers | Mild Steel Exhaust Extractors | Toyota Hilux 4Runner 2.4L 2.8L 3.0L Diesel L 2L 3L 5L Hiace | A243","description":"\u003ch2\u003eAdvance Headers High-Performance Mild Steel Exhaust Extractors for TOYOTA 2.2L, 2.4L, 2.8L \u0026amp; 3.0L L-Series Diesel Engines\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe Advance Headers Performance Exhaust Extractors (A243) are precision-engineered for Toyota's legendary naturally aspirated L-series overhead-cam diesel workhorse engines. Spanning classic generations of the Hilux, 4Runner, and Hiace van families, this heavy-duty tubular header upgrade replaces your highly restrictive factory cast iron manifold. It is designed to maximize exhaust gas scavenging velocity, decrease power-robbing backpressure, lower exhaust gas temperatures (EGTs), and unlock vital low-to-mid range torque.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"feature-block\"\u003e\n\u003cdiv class=\"feature-content pb-6\"\u003e\n\u003ch3 style=\"color: #e60000; font-weight: bold;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePRODUCT CONTENTS:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Heavy-Duty Mild Steel Performance Exhaust Extractor Header Assembly (Standard Finish)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTuned mandrel-bent primary piping pathways ensure completely uniform gas flow routing, eliminating the restrictive flow bottlenecks found in original cast logs\u003c\/li\u003e\n\u003cli\u003eSubstantially optimizes low-end torque delivery and mid-range pulling power—critical for heavy commercial hauling, remote outback touring, and technical 4WD work\u003c\/li\u003e\n\u003cli\u003eImproves engine breathing efficiency, helping to reduce operational exhaust gas temperatures (EGTs) under heavy structural load cycles\u003c\/li\u003e\n\u003cli\u003eHeavy-duty mild steel construction structurally built to withstand severe diesel vibrations, high thermal changes, and punishing corrugated road conditions safely\u003c\/li\u003e\n\u003cli\u003eThick, precision laser-cut cylinder head flanges maintain flush mating boundaries to guard permanently against warping and exhaust gas leaks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"specs\"\u003e\n\u003cul class=\"flex flex-col space-y-2 text-xs\"\u003e\n\u003cli\u003e\n\u003cspan class=\"text-gray-500 font-semibold mr-1\"\u003eBrand:\u003c\/span\u003e \u003cspan class=\"text-gray-700\"\u003eAdvance Headers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"text-gray-500 font-semibold mr-1\"\u003ePart Number:\u003c\/span\u003e \u003cspan class=\"text-gray-700\"\u003eA243\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"text-gray-500 font-semibold mr-1\"\u003eMaterial:\u003c\/span\u003e \u003cspan class=\"text-gray-700\"\u003eMild Steel (Standard Finish)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"text-gray-500 font-semibold mr-1\"\u003eEngine Suitability:\u003c\/span\u003e \u003cspan class=\"text-gray-700\"\u003eToyota L (2.2L), 2L (2.4L), 3L (2.8L), 5L \u0026amp; 5LE (3.0L) OHC Diesel Engines Only (Naturally Aspirated)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"text-gray-500 font-semibold mr-1\"\u003eDrivetrain Profile:\u003c\/span\u003e \u003cspan class=\"text-gray-700\"\u003eDirect Fit for 4WD (Fits 2WD Models with Slight Modifications)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"text-gray-500 font-semibold mr-1\"\u003eComponent Type:\u003c\/span\u003e \u003cspan class=\"text-gray-700\"\u003ePerformance Exhaust Extractors \/ Headers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"text-gray-500 font-semibold mr-1\"\u003eEstimated Fitting Time:\u003c\/span\u003e \u003cspan class=\"text-gray-700\"\u003e2.5 Hours\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"text-gray-500 font-semibold mr-1\"\u003eWelding Required:\u003c\/span\u003e \u003cspan class=\"text-gray-700\"\u003eNo on 4WD (2WD requires minor modifications to the outlet pipe path)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Crucial Drivetrain \u0026amp; Fitment Compatibility Notes:\u003c\/strong\u003e\u003cbr\u003e1. \u003cstrong\u003e2WD Model Retrofitment:\u003c\/strong\u003e This extractor assembly is engineered as a direct drop-in fit for \u003cstrong\u003e4WD applications\u003c\/strong\u003e. It can be installed on \u003cstrong\u003e2WD (Two-Wheel Drive)\u003c\/strong\u003e vehicles, but please be advised that \u003cstrong\u003eslight modification\/welding to the outlet collector pipe path\u003c\/strong\u003e will be required to clear the lower 2WD chassis lines cleanly.\u003cbr\u003e2. \u003cstrong\u003eEngine Constraints:\u003c\/strong\u003e This kit is built strictly for the naturally aspirated SOHC L-series block design (L, 2L, 3L, 5L, 5LE). It is not designed to fit factory turbo-diesel variants (such as the 2L-T or 1KZ-TE structures) due to differing turbo exhaust housing pathways.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePlease Note: Professional installation by an exhaust specialist or qualified automotive mechanic is highly recommended to guarantee proper system alignment and a perfect leak-free seal.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe image shown may not reflect the actual product design.\u003c\/li\u003e\n\u003cli\u003eEnsure your vehicle details match the application guide below before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 100%; padding: 20px; border: 1px solid #ccc; border-radius: 5px; font-size: 1rem;\" class=\"product-details-container\"\u003e\n\u003ch2\u003eVehicle Applications for A243 Performance Toyota Diesel Extractors\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 10px;\"\u003e\n\u003ctable style=\"min-width: 1100px; border-collapse: collapse; font-size: 1rem; line-height: 1.5; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f0f0f0; border-bottom: 3px solid #333;\"\u003e\n\u003cth style=\"padding: 10px 8px; text-align: left; border: 1px solid #ddd; white-space: nowrap;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 10px 8px; text-align: left; border: 1px solid #ddd; white-space: nowrap;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px 8px; text-align: left; border: 1px solid #ddd; white-space: nowrap;\"\u003eYear Range Spec\u003c\/th\u003e\n\u003cth style=\"padding: 10px 8px; text-align: left; border: 1px solid #ddd;\"\u003eBody Type\u003c\/th\u003e\n\u003cth style=\"padding: 10px 8px; text-align: left; border: 1px solid #ddd;\"\u003eChassis Series \/ Engine Codes\u003c\/th\u003e\n\u003cth style=\"padding: 10px 8px; text-align: left; border: 1px solid #ddd;\"\u003eEngine Details\u003c\/th\u003e\n\u003cth style=\"padding: 10px 8px; text-align: left; border: 1px solid #ddd; white-space: nowrap;\"\u003eFitting Time\u003c\/th\u003e\n\u003cth style=\"padding: 10px 8px; text-align: left; border: 1px solid #ddd;\"\u003eDrivetrain \/ Fitment Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap; font-weight: bold;\"\u003eToyota\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap; font-weight: bold;\"\u003eHilux \/ 4Runner\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1979 – 2005\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSingle \/ Dual Cab \/ Cab Chassis \/ SUV Wagon\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLN Series (LN46, LN65, LN106, LN167, etc.)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.2L L \/ 2.4L 2L \/ 2.8L 3L \/ 3.0L 5L \u0026amp; 5LE Inline-4 Diesel\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e2.5 Hours\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\n\u003cstrong\u003e4WD:\u003c\/strong\u003e Direct bolt-on replacement path. \u003cbr\u003e\u003cstrong\u003e2WD:\u003c\/strong\u003e Fits with slight modification\/welding needed at the outlet flange connection point.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap; font-weight: bold;\"\u003eToyota\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap; font-weight: bold;\"\u003eHiace\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1980 – 1989\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCommuter Van \/ Low Floor Bus \/ Utility\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLH20 \/ LH30 \/ LH50 \/ LH51 Series\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.2L L \/ 2.4L 2L Inline-4 Diesel Only\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e2.5 Hours\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2WD \/ RWD | Tubular replacement header maps smoothly past forward-cab engine compartments, avoiding under-seat structural clearance binds.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePayment \u0026amp; Security\u003c\/h2\u003e\n\u003cp\u003eYour payment information is processed securely. We do not store credit card details nor have access to your credit card information.\u003c\/p\u003e","brand":"Advance Headers","offers":[{"title":"Default Title","offer_id":45735862108322,"sku":"A243","price":480.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/1112\/4898\/files\/A243Lrg-107-520x375.jpg?v=1784091932","url":"https:\/\/nationaltowbars.com.au\/products\/advance-headers-toyota-hilux-4-cylinder-diesel-a243","provider":"National Towbars Australia","version":"1.0","type":"link"}