RENNtech Stainless Steel Sport Mufflers for 212 - E 63 AMG BiTurbo porsche-911--997-2---2009-2013--carrera-s-esr9467560 *Possible to upgrade for extended

*Possible to upgrade for extended wheel travel/lift springs

RENNtech Adjustable Carbon Fiber Deck Lid Spoiler for 204 - C Class Sedan

ust improve performance

while cruising the exhaust valves will never fully open

RENNtech Stainless Steel Sport Mufflers for 212 - E 63 AMG BiTurbo porsche-911--997-2---2009-2013--carrera-s-esr9467560 *Possible to upgrade for extendedRENNtech Stainless Steel Sport Mufflers for the 212 E 63 AMG. Gains: up to 10 HP & 15 TQ. RENNtech T 304 stainless steel (SS) sport mufflers are hand made and 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 larger 2 3 4" diameter tubing offer lighter weight than the stock exhaust and improve performance by reducing exhaust back