{"product_id":"milltek-active-valve-control-mercedes-c-class-c63-s-w205-saloon-4-0-bi-turbo-v8-non-gpf-15","title":"Milltek Active Valve Control Mercedes C-Class C63 S W205 Saloon 4.0 Bi-Turbo V8 Non-GPF 15+","description":"\u003ch2\u003eMilltek Active Valve Control for Mercedes C-Class C63 \u0026amp; C63 S (W205) Saloon 4.0 Bi-Turbo V8 (Non-GPF Equipped Models Only) (2015 onwards) – Switchable Exhaust Volume\u003c\/h2\u003e\n\u003cp\u003eThis is Milltek's active valve control system for the Mercedes C-Class C63 \u0026amp; C63 S (W205) Saloon 4.0 Bi-Turbo V8 (Non-GPF Equipped Models Only). It adds an electronically-operated valve to an existing Milltek system, opening a second, less restrictive path through the silencer that stays closed for a refined, near-standard tone around town and opens under load or at the press of a button for a louder, more open sound. \u003c\/p\u003e\n\u003cp\u003eIt's the option to go for if you want the flexibility to keep the car quiet for early starts and long motorway runs, then switch to the full exhaust note whenever you actually want to hear it, without swapping any hardware.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Active Valve Control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Diameter:\u003c\/strong\u003e 76.2mm (3\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValvesonic:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Time:\u003c\/strong\u003e approx. 1.5 to 2 hours (Milltek figure)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eMercedes C-Class C63 \u0026amp; C63 S (W205) Saloon 4.0 Bi-Turbo V8 (Non-GPF Equipped Models Only) (2015 onwards)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e Mercedes C-Class C63 GPF models, or any model not listed above.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes a fitting time of approx. 1.5 to 2 hours. This involves connecting to the car's wiring and exhaust valves, so we recommend fitting by a specialist familiar with the car's electrics.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Further\u003c\/h3\u003e\n\u003cp\u003eAlso available from Milltek for this car: \u003ca href=\"\/products\/milltek-downpipes-with-cat-bypass-mercedes-c-class-c63-s-w205-saloon-4-0-bi-turbo-v8-non-gpf-15\"\u003eMilltek Downpipes \u0026amp; Cat Bypass Pipes Mercedes C-Class C63 \u0026amp; C63 S W205 Saloon 4.0 Bi-Turbo V8 Non-GPF 15+\u003c\/a\u003e, \u003ca href=\"\/products\/milltek-rear-silencers-mercedes-c-class-c63-s-w205-saloon-4-0-bi-turbo-v8-non-gpf-15\"\u003eMilltek Rear Silencers Mercedes C-Class C63 \u0026amp; C63 S W205 Saloon 4.0 Bi-Turbo V8 Non-GPF 15+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWill the car be louder all the time?\u003c\/h3\u003e\n\u003cp\u003eNo. With the valve closed the tone stays close to standard; open it when you want the full exhaust note.\u003c\/p\u003e\n\u003ch3\u003eWhat does it work with?\u003c\/h3\u003e\n\u003cp\u003eMilltek notes: \"Works with OE Valved Exhaust, Opens Valves 100% when Valve Button Pressed\". Check this matches your current exhaust before ordering.\u003c\/p\u003e\n\u003ch3\u003eIs this a complete exhaust system?\u003c\/h3\u003e\n\u003cp\u003eNo. It is designed to be used with the system or factory parts described above, rather than as a complete exhaust on its own.\u003c\/p\u003e\n\u003ch3\u003eHow long does it take to fit?\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes approx. 1.5 to 2 hours.\u003c\/p\u003e\n\u003ch3\u003eIs there a warranty?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":56392881308033,"sku":"MIL-SSXMZ121","price":558.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/files\/SSXMZ121_1.jpg?v=1791893677","url":"https:\/\/milltekexhaustshop.com\/products\/milltek-active-valve-control-mercedes-c-class-c63-s-w205-saloon-4-0-bi-turbo-v8-non-gpf-15","provider":"Milltek Exhaust Shop","version":"1.0","type":"link"}