RENNtech | Stainless Steel Sport Mufflers w/Electronic Valves | S 63 AMG Coupe | C217 | 5.5L BiTurbo V8 | M157 porsche-911--992---2018-present--turbo-s---cabriolet-esr1556107 000 rpm Note: Mercedes M178

000 rpm Note: Mercedes M178 engine performance when measured on the dyno obtains higher power numbers than rated from factory

All hose ends covered by black heatshrink

and individual settings providing exceptional ride and comfort not only on the street but also off road

including functioning valves and settings for Comfort

They have also been maximised in internal volume to reduce restrictions and in doing so we have also redesigned the OEM central cover as it fouls on the significantly larger system

RENNtech | Stainless Steel Sport Mufflers w/Electronic Valves | S 63 AMG Coupe | C217 | 5.5L BiTurbo V8 | M157 porsche-911--992---2018-present--turbo-s---cabriolet-esr1556107 000 rpm Note: Mercedes M178RENNtech Stainless Steel Sport Mufflers w Eclectronic Valves for the W217 S 63 AMG Coupe BiTurbo. Gains: up to 10 HP & 15 TQ. RENNtech Sport Mufflers are made out of T 304 stainless steel (SS) and 100% hand crafted in the USA. This exhaust system is 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 2 3 4 inch diameter tubing offer