RENNtech | Stainless Steel Muffler | R231 | SL 63/65 AMG porsche-cayenne--9ya---2018-present--cayenne-gts-coupe--my2020---esr2231938 which really stand out and

which really stand out and display the sports spirit of the Akrapovič exhaust

drivers can use the Sound Remote Controller or the new smartphone app (for iOS and Android) to regulate the valves

RENNtech is able to add up to 166 HP and 277 LB-FT to the 5

599 whp @ 5

0L I6 Turbo EQ Boost | Up to 494 HP / 480 LB-FT | Gains: +59 HP & +97 LB-FT

RENNtech | Stainless Steel Muffler | R231 | SL 63/65 AMG porsche-cayenne--9ya---2018-present--cayenne-gts-coupe--my2020---esr2231938 which really stand out andRENNtech Stainless Steeel 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