{"product_id":"advance-headers-mild-steel-exhaust-extractors-mitsubishi-astron-2l-2-6l-4g54-a342","title":"Advance Headers | Mild Steel Exhaust Extractors | Mitsubishi Triton Pajero Sigma Ford Courier Mazda B2600 2.0L 2.6L Astron | A342","description":"\u003ch2\u003eAdvance Headers High-Performance Mild Steel Exhaust Extractors for Mitsubishi Astron 2.0L \u0026amp; 2.6L 8-Valve Engines\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe Advance Headers Performance Exhaust Extractors (A342) are precision-engineered for the legendary Mitsubishi Astron engine family (including 2.0-Litre 4G52 and 2.6-Litre 4G54 configurations). Serving a huge range of classic Australian-market rear-wheel drive and four-wheel drive passenger cars, commercial utilities, and classic SUVs, this heavy-duty tubular header upgrade replaces your highly restrictive factory cast iron log manifold to maximize exhaust scavenging velocity, lower engine backpressure, and unlock true low-to-mid range working 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 manifolds\u003c\/li\u003e\n\u003cli\u003eSubstantially optimizes overall exhaust velocity, delivering sharper throttle response and noticeable low-to-mid range torque gains—perfect for daily driving, heavy load carrying, towing, and off-roading\u003c\/li\u003e\n\u003cli\u003eHeavy-duty mild steel construction structurally built to handle severe thermal expansions and demanding operational heat cycles 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\u003cli\u003eEngineered as a multi-fit direct bolt-on solution designed to clear standard steering tracks, mechanical linkages, and front 4WD driveshaft sections cleanly\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\"\u003eA342\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\"\u003eMitsubishi Astron 2.0L \u0026amp; 2.6L SOHC 8-Valve Petrol (4G52 \/ 4G54 Carburettor Only)\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\"\u003e1.5 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 (Direct Bolt-On to Cylinder Head)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Crucial Engine \u0026amp; Cylinder Head Compatibility Warning:\u003c\/strong\u003e\u003cbr\u003eThis product (Part No. \u003cstrong\u003eA342\u003c\/strong\u003e) is configured explicitly for original \u003cstrong\u003e8-valve single overhead cam (SOHC) Carburettor variations\u003c\/strong\u003e of the Mitsubishi Astron engine block. It will not align properly with later multi-valve configurations or 16-valve Magnum variants due to differences in port placement and mounting patterns. Please verify your vehicle's engine identification codes and build plate metrics prior to finalizing your order.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePlease Note: Professional installation by an exhaust specialist or qualified classic automotive mechanic is highly recommended to guarantee proper system mapping 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 class=\"product-details-container\" style=\"font-family: Arial, sans-serif; max-width: 100%; padding: 20px; border: 1px solid #ccc; border-radius: 5px; font-size: 1rem;\"\u003e\n\u003ch2\u003eVehicle Applications for A342 Performance Astron 2.0L \u0026amp; 2.6L 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 \/ Notes\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;\"\u003eChrysler \/ Mitsubishi\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap; font-weight: bold;\"\u003eSigma \/ Scorpion\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1977 – 1987\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSedan \/ Wagon \/ Coupe\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eGE, GH, GJ, GK, GN Series\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.0L (4G52) \u0026amp; 2.6L (4G54) SOHC 8v Petrol\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1.5 Hours\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRWD | Direct bolt-on headers. Unclogs restrictive factory cast blocks to deliver smoother street cruising power.\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;\"\u003eMitsubishi\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap; font-weight: bold;\"\u003eTriton \/ L200 Ute\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1983 – 1996\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSingle Cab \/ Dual Cab Utility\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eME, MF, MG, MH, MJ Series\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.0L \u0026amp; 2.6L SOHC 8v Petrol (Astron Only)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1.5 Hours\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2WD \u0026amp; 4WD | High-clearance configuration runs safely around commercial steering boxes and front driveshaft components.\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;\"\u003eMitsubishi\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap; font-weight: bold;\"\u003ePajero\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1981 – 1993\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3-Door SWB \/ 5-Door LWB SUV\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eNA, NB, NC, ND, NE, NF, NG Series\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.6L Inline-4 Petrol (4G54 SOHC 8v Only)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1.5 Hours\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4WD | Optimized torque generation mapping tracks cleanly within classic 4x4 structural bounds.\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;\"\u003eFord\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap; font-weight: bold;\"\u003eCourier\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1986 – 1990\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSingle Cab \/ Dual Cab Utility\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePC Series Only\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.6L Inline-4 Petrol (Mitsubishi Astron 8v Carby Swap)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1.5 Hours\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2WD \u0026amp; 4WD | Fits standard 8v carburetted variants sourced from Mitsubishi. Clears underbody line restrictions.\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;\"\u003eMazda\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap; font-weight: bold;\"\u003eB2600\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1986 – 1988\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCab Chassis \/ Pick-up Ute\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eEarly Series 4WD Platforms Only\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.6L Inline-4 Petrol (Mitsubishi Astron 8v Carby Only)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; white-space: nowrap;\"\u003e1.5 Hours\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4WD Only | Designed strictly for early generation B2600 builds utilizing factory-sourced 8v Mitsubishi powerplants. Will not fit later Mazda-native 12v\/multi-valve engines.\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":40482985476178,"sku":"A342","price":396.38,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/7718\/9458\/files\/GenericHeader.png?v=1744853371","url":"https:\/\/fastautoparts.com.au\/products\/advance-headers-mild-steel-exhaust-extractors-mitsubishi-astron-2l-2-6l-4g54-a342","provider":"Fast Auto Parts Australia","version":"1.0","type":"link"}