RENNtech Stainless Steel Muffler for 231 - SL 550

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 back pressure and improving exhaust gas flow.

Gains:

• 15 HP & 20 TQ