{"product_id":"mercedes-benz-x253-c253-glc63-glc63s-amg-stainless-steel-valved-catback-exhaust","title":"Mercedes Benz X253\/C253, GLC63\/GLC63s AMG Stainless Steel Valved Catback Exhaust","description":"\u003cp\u003eGive the GLC63 the voice its engine deserves. A full stainless valved catback with twin mandrel-bent pipes, a centre resonator, rear valve assemblies 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 GLC63 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 Dual Design\u003c\/h3\u003e\n\u003cp\u003eEach bank of the V8 keeps its own mandrel-bent pipe the whole way back. Where the two pipes cross under the floor they are braced together, which keeps the system rigid over rough roads.\u003c\/p\u003e\n\u003ch3\u003eCentre Resonator\u003c\/h3\u003e\n\u003cp\u003eTakes the hard edge out of the mid range so the system is loud without droning on a long drive.\u003c\/p\u003e\n\u003ch3\u003eSUV and Coupe Fitment\u003c\/h3\u003e\n\u003cp\u003eBuilt to the correct routing for each body, 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 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\u003eSUV or Coupe?\u003c\/h2\u003e\n\u003cp\u003eThe GLC63 was sold as an SUV (X253) and as a Coupe (C253). The two bodies have different rear floors and hanger positions, so the systems are not interchangeable.\u003c\/p\u003e\n\u003cp\u003eSelect the body 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 GLC63 (X253 SUV and C253 Coupe, 2018-2022)\u003cbr\u003eMercedes-AMG GLC63 S (X253 SUV and C253 Coupe, 2018-2022)\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 bodies - select yours at checkout. The GLC63 and GLC63 S take the same system.\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 X253 GLC63 SUV (2018-2022)","offer_id":52927237456154,"sku":null,"price":2565.0,"currency_code":"AUD","in_stock":true},{"title":"Mercedes-AMG C253 GLC63 Coupe (2018-2022)","offer_id":52927238078746,"sku":null,"price":2565.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/att6_2d651cbe-86b7-4d43-b72b-022bab818188.png?v=1790063927","url":"https:\/\/provenperformanceparts.com.au\/products\/mercedes-benz-x253-c253-glc63-glc63s-amg-stainless-steel-valved-catback-exhaust","provider":"Proven Performance Parts","version":"1.0","type":"link"}