{"product_id":"mercedes-benz-w204-c63-long-tube-headers","title":"Mercedes Benz W204 C63 Long Tube Headers","description":"\u003cp\u003eThe upgrade that transforms an M156. These Long Tube Headers replace the restrictive factory manifolds on the Mercedes-AMG W204 C63 with equal-length, mandrel-bent stainless primaries and a merge collector on each bank.\u003c\/p\u003e\n\u003cp\u003eOn a naturally aspirated engine the manifold is the single most important part of the exhaust. The factory cast items are short and packaged tightly around the block; long tube headers give each cylinder a longer, smoother and equal-length primary, which is why they deliver the largest gains available to the 6.2 litre V8 and sharpen its response everywhere.\u003c\/p\u003e\n\u003cp\u003eSupplied as a matched left and right pair, manufactured from stainless steel with mandrel bends, precision TIG welding and CNC-cut flanges.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003eEqual Length Long Tube Primaries\u003c\/h3\u003e\n\u003cp\u003eLonger, smoother primaries of matched length, so each cylinder breathes out as freely as the next and the scavenging effect works with the engine rather than against it.\u003c\/p\u003e\n\u003ch3\u003eSupplied as a Matched Pair\u003c\/h3\u003e\n\u003cp\u003eOne header for each bank of the V8, with everything needed to replace both factory manifolds.\u003c\/p\u003e\n\u003ch3\u003eMerge Collectors\u003c\/h3\u003e\n\u003cp\u003eEach set of primaries merges into a single collector, keeping gas speed up through the transition into the exhaust.\u003c\/p\u003e\n\u003ch3\u003eStainless Steel Construction\u003c\/h3\u003e\n\u003cp\u003eMandrel-bent stainless with precision TIG welding, built for the exhaust gas temperatures a hard-driven M156 produces.\u003c\/p\u003e\n\u003ch3\u003eCNC-Cut Flanges\u003c\/h3\u003e\n\u003cp\u003eThick, precisely cut head flanges that stay flat under heat cycling and seal properly against the head.\u003c\/p\u003e\n\u003ch2\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cp\u003e The largest single power and torque gain available to the naturally aspirated M156\u003cbr\u003e Stronger pull through the mid range and a harder top end\u003cbr\u003e A deeper, more aggressive V8 note\u003cbr\u003e Sharper throttle response\u003cbr\u003e A proper foundation for a full exhaust system and a tune\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eMercedes-AMG C63 (W204, 2008-2014)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6.2L Naturally Aspirated M156 V8 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSupplied as a matched left and right pair. The M156 is a naturally aspirated V8 with a bank of cylinders each side, so the system runs two pipes from the headers back.\u003c\/p\u003e\u003ch2\u003ePlease Note\u003c\/h2\u003e\n\u003cp\u003eLong tube headers are a motorsport part. They are intended for off-road, track and competition use only, and it is the owner's responsibility to comply with the regulations in their state.\u003c\/p\u003e\n\u003cp\u003eAn ECU tune is required to realise the full benefit and to keep the engine running correctly. Professional installation is strongly recommended - fitting headers to an M156 is a substantial job.\u003c\/p\u003e\u003ch2\u003eWhy Choose Proven Performance Parts\u003c\/h2\u003e\n\u003cp\u003eWe specialise in high-performance parts for European vehicles - including Volkswagen GTI \u0026amp; R models, Audi S\/RS platforms, and Mercedes-AMG applications. Every product we offer is carefully selected for its quality, fitment, and real-world performance - tested by enthusiasts, for enthusiasts.\u003c\/p\u003e","brand":"Proven Performance Parts","offers":[{"title":"Mercedes-AMG W204 C63 (2008-2014)","offer_id":52928142573850,"sku":null,"price":1795.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/att8_7a31b701-0635-44ea-8f05-d928f3666d6f.png?v=1790068702","url":"https:\/\/provenperformanceparts.com.au\/products\/mercedes-benz-w204-c63-long-tube-headers","provider":"Proven Performance Parts","version":"1.0","type":"link"}