{"product_id":"mercedes-benz-w205-c63-c63s-amg-stainless-steel-valved-catback-exhaust","title":"Mercedes Benz W205\/C205, C63\/C63s AMG Stainless Steel Valved Catback Exhaust","description":"\u003cp\u003eUnleash the full voice of the M177. A full stainless valved catback for the W205 C63 and C63S, with twin mandrel-bent pipes, twin valved rear mufflers, quad outlets and the wireless remote kit supplied.\u003c\/p\u003e\n\u003cp\u003eThe hand-built four-litre biturbo V8 is one of the best-sounding engines AMG has ever made, and the factory exhaust still holds a great deal of it back. This system replaces the entire section from the downpipes back with mandrel-bent 304 stainless and its own valve assembly, so the car stays civil on the daily drive and turns properly loud the moment you want it to.\u003c\/p\u003e\n\u003cp\u003eEach bank keeps its own pipe from the downpipe back to its own valved muffler, so the V8 breathes freely on both sides and keeps its natural, uneven-firing character.\u003c\/p\u003e\n\u003cp\u003eManufactured from 304 stainless steel with mandrel bends and TIG welds throughout, supplied complete with the valve assembly, remote kit and all hardware.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003ch3\u003eIndependent Varex Valve System\u003c\/h3\u003e\n\u003cp\u003eRather than reusing the restricted factory valves, this system operates its own dedicated valve assembly with complete travel in both directions. Sealed when closed for a quieter OEM+ driving experience, and fully unobstructed when open for a fully aggressive exhaust tone.\u003c\/p\u003e\n\u003ch3\u003eWireless Remote Kit Supplied\u003c\/h3\u003e\n\u003cp\u003eValve operation is handled entirely by the supplied remote, so the volume is yours to choose rather than the car's. The system does not connect to the factory valve motors.\u003c\/p\u003e\u003ch3\u003e304 Stainless Steel Construction\u003c\/h3\u003e\n\u003cp\u003eMandrel-bent 304 stainless throughout for consistent bore, corrosion resistance and long service life.\u003c\/p\u003e\n\u003ch3\u003eTrue Dual Design\u003c\/h3\u003e\n\u003cp\u003eEach bank of the V8 keeps its own mandrel-bent pipe all the way back to its own valved muffler. The two centre pipes are joined where they run together through the tunnel, keeping the system rigid and neatly packaged.\u003c\/p\u003e\n\u003ch3\u003eTwin Valved Rear Mufflers\u003c\/h3\u003e\n\u003cp\u003eOne muffler per side with a valved bypass, giving a genuine quiet mode and a genuinely loud one from the same system.\u003c\/p\u003e\n\u003ch3\u003ePrecision TIG Welded\u003c\/h3\u003e\n\u003cp\u003eClean, strong welds built to handle exhaust temperature cycling and hard driving.\u003c\/p\u003e\n\u003ch3\u003eDirect Bolt-On Fitment\u003c\/h3\u003e\n\u003cp\u003eFits at the factory mounting points and hangers, retaining the factory quad outlet layout. No cutting and no fabrication.\u003c\/p\u003e\n\u003ch2\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cp\u003e A deeper, louder V8 exhaust note with the valves open\u003cbr\u003e Near-standard volume with the valves closed\u003cbr\u003e Reduced restriction through the whole rear section\u003cbr\u003e Sharper throttle response\u003cbr\u003e Reduced weight over the factory system\u003cbr\u003e A strong foundation for a tuned M177\u003c\/p\u003e\n\u003ch2\u003eSound Characteristics\u003c\/h2\u003e\n\u003ch3\u003eValves Closed\u003c\/h3\u003e\n\u003cp\u003e Refined and comfortable cruising sound\u003cbr\u003e Minimal cabin drone\u003cbr\u003e Ideal for everyday driving and long-distance trips\u003c\/p\u003e\n\u003ch3\u003eValves Open\u003c\/h3\u003e\n\u003cp\u003e Deep, thunderous V8 tone\u003cbr\u003e Increased exhaust volume\u003cbr\u003e Heavier overrun crackle and turbo acoustics\u003cbr\u003e Aggressive cold starts\u003c\/p\u003e\u003ch2\u003eWhich Body Style Do I Need?\u003c\/h2\u003e\n\u003cp\u003eThe C63 Sedan and Coupe take different system lengths, so the two versions are not interchangeable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSedan\u003c\/strong\u003e - the four-door W205.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoupe\u003c\/strong\u003e - the two-door C205.\u003c\/p\u003e\n\u003cp\u003eSelect the body style that matches your car at checkout. If you are unsure, our team will confirm it against your VIN before dispatch.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eMercedes-AMG C63 and C63S Sedan (W205, 2015-2021)\u003cbr\u003eMercedes-AMG C63 and C63S Coupe (C205, from 2016)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4.0L Twin-Turbocharged M177 V8 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable for both the Sedan and the Coupe - select your body style at checkout. The Wagon (S205) is not covered by this listing.\u003c\/p\u003e\u003ch2\u003ePlease Note\u003c\/h2\u003e\n\u003cp\u003eProfessional installation is recommended. Exhaust sound will vary depending on whether the factory or aftermarket downpipes are fitted.\u003c\/p\u003e\n\u003cp\u003eCheck your local road rules before fitting. Exhaust noise requirements vary by state and a vehicle must remain compliant for road use.\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 W205 C63 (2015-2021) \/ Sedan","offer_id":52907164565786,"sku":null,"price":2580.0,"currency_code":"AUD","in_stock":true},{"title":"Mercedes-AMG W205 C63S (2015-2021) \/ Sedan","offer_id":52907164631322,"sku":null,"price":2580.0,"currency_code":"AUD","in_stock":true},{"title":"Mercedes-AMG W205 C63 (2015-2021) \/ Coupe","offer_id":52907232330010,"sku":null,"price":2580.0,"currency_code":"AUD","in_stock":true},{"title":"Mercedes-AMG W205 C63S (2015-2021) \/ Coupe","offer_id":52907232362778,"sku":null,"price":2580.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/att1_da1d15ea-a633-4d81-b5bd-3cce77d7e786.png?v=1789710091","url":"https:\/\/provenperformanceparts.com.au\/products\/mercedes-benz-w205-c63-c63s-amg-stainless-steel-valved-catback-exhaust","provider":"Proven Performance Parts","version":"1.0","type":"link"}