RENNtech | Stainless Steel Sport Mufflers w/Electronic Valves | C63 /S AMG | C205-Coupe | 4.0L BiTurbo V8 | M177 mercedes-benz-s-class--220---1999-2006--s-600-biturbo--2003-2006--esr5052819 while cruising the exhaust flaps

while cruising the exhaust flaps will never fully open

627 LB-FT @ 2

1 at 5510 rpm 311

000 RPM delivering peak gains of +227 HP and +160 LB-FT without sacrificing traction and drivability in the lower RPM range

RENNtech | Stainless Steel Sport Mufflers w/Electronic Valves | C63 /S AMG | C205-Coupe | 4.0L BiTurbo V8 | M177 mercedes-benz-s-class--220---1999-2006--s-600-biturbo--2003-2006--esr5052819 while cruising the exhaust flapsRENNtech Stainless Steel Sport Mufflers w Eclectronic Valves for the C205 C63 AMG Coupe 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