{"product_id":"mercedes-benz-w212-w218-e63-cls63-stainless-steel-valved-catback-exhaust","title":"Mercedes Benz W212\/W218, E63\/CLS63 Stainless Steel Valved Catback Exhaust","description":"\u003cp\u003eGive the E63 and CLS63 the voice its engine deserves. A full stainless valved catback with a true X-pipe crossover, a valved muffler on each side 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 E63 exhaust spends most of its effort keeping that quiet. This system replaces the entire section from the downpipes back with mandrel-bent 304 stainless and its own valve assemblies, so the car stays civil on the school run and turns properly loud the moment you want it to.\u003c\/p\u003e\n\u003cp\u003eManufactured from 304 stainless steel with mandrel bends and TIG welds throughout, supplied complete with the valve assemblies, 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 X-Pipe Crossover\u003c\/h3\u003e\n\u003cp\u003eThe two banks meet at a merged X junction under the floor, balancing exhaust pulses between them. That is what deepens the tone and evens out the delivery, rather than simply making the car louder.\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\u003eE63 and CLS63 Fitment\u003c\/h3\u003e\n\u003cp\u003eBuilt to the correct routing for each car, selected at checkout.\u003c\/p\u003e\n\u003ch3\u003eDirect Bolt-On Fitment\u003c\/h3\u003e\n\u003cp\u003eFits at the factory mounting points and hangers. 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 M157\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\u003eE63 or CLS63?\u003c\/h2\u003e\n\u003cp\u003eThe E63 Sedan and the CLS63 share the M157 engine but not the rear of the car - the floor pans, hanger positions and tip locations differ, so each body takes its own system.\u003c\/p\u003e\n\u003cp\u003eSelect the car that matches yours 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 E63 Sedan (W212, 2011-2016)\u003cbr\u003eMercedes-AMG CLS63 (C218, 2011-2018)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5.5L Twin-Turbocharged M157 V8 Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSelect your car at checkout - the E63 Sedan and the CLS63 use different rear routing, so the systems are not interchangeable. This system is for the twin-turbo M157 cars, not the earlier 6.2 litre naturally aspirated E63, and not the S212 Estate.\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 W212 E63 Sedan (2011-2016)","offer_id":52934273958170,"sku":null,"price":2575.0,"currency_code":"AUD","in_stock":true},{"title":"Mercedes-AMG C218 CLS63 (2011-2018)","offer_id":52934274023706,"sku":null,"price":2575.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/att1_f428dc15-c825-43ff-b90f-2dc7270a5b1b.png?v=1790147999","url":"https:\/\/provenperformanceparts.com.au\/products\/mercedes-benz-w212-w218-e63-cls63-stainless-steel-valved-catback-exhaust","provider":"Proven Performance Parts","version":"1.0","type":"link"}