RENNtech | Stainless Steel Muffler | SL 63/65 AMG | R231 porsche-cayenne--9pa----1-gen--turbo-esr3181428 RENNtech performance software unleashes the

RENNtech performance software unleashes the true potential of your Mercedes

ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability

This especially helps during the shifting process

5 at 3800 rpm            Weight  kg 9

RENNtech | Stainless Steel Muffler | SL 63/65 AMG | R231 porsche-cayenne--9pa----1-gen--turbo-esr3181428 RENNtech performance software unleashes theRENNtech Stainless Steel Sport Muffler for 231 SL 63 65 AMG. Gains: Up to 10HP & 15TQ RENNtech 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 offer incredible sound in a lighter than the stock weight exhaust with improved performance. This is accomplished by reducing exhaust system