RENNtech | Stainless Steel Sport Mufflers w/Electronic Valves | C63 /S AMG | W205 | 4.0L BiTurbo V8 | M177 mercedes-benz-slk-class--171---2004-2010--slk-350-esr6719359 RENNtech Exhaust Valve Module |

RENNtech Exhaust Valve Module | Permanently Open Exhaust Flaps

The 1-piece design can either be finished to match the wheel or in any of the solid or transparent finishes

Rated by Mercedes-Benz:           503 HP @ 5

5 Series TOURING (E61) 520 i (HP: 170 | Year: 03 > 05)

X253 - GLC63 AMG Coupe

RENNtech | Stainless Steel Sport Mufflers w/Electronic Valves | C63 /S AMG | W205 | 4.0L BiTurbo V8 | M177 mercedes-benz-slk-class--171---2004-2010--slk-350-esr6719359 RENNtech Exhaust Valve Module |RENNtech Stainless Steel Sport Mufflers w Eclectronic Valves for the W205 C 63 AMG BiTurbo. Gains: up to 10 HP & 15 TQ. RENNtech Sport Mufflers are made out of T 304 stainless steel (SS) and 100% hand crafted in the USA. This exhaust system is rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound that keeps with the character of a luxury performance vehicle. Our mufflers with 2 3 4 inch diameter tubing offer lighter