RENNtech | Stainless Steel Muffler | SL 63/65 AMG | R231 porsche-cayenne--9pa----1-gen--turbo-esr3181428 5 Series (E60) M5 V10

5 Series (E60) M5 V10 [Full kit] (HP: 507 | Year: 05 > 10)

E 55 AMG (W211) Stock Performance:

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RENNtech carefully selects the turbo cores we use for use in our turbo upgrades

RENNtech performance software unleashes the true potential of your Mercedes

RENNtech | Stainless Steel Muffler | SL 63/65 AMG | R231 porsche-cayenne--9pa----1-gen--turbo-esr3181428 5 Series (E60) M5 V10RENNtech 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