RENNtech | Stainless Steel Sport Mufflers without Electronic Valves | C63 /S AMG | C205 - Coupe | 4.0L BiTurbo V8 | M177 mercedes-benz-gle-class--166---2016-2020--gle-550e-plug-in-hybrid-esr5926051 With the proprietary RENNtech ECU+

With the proprietary RENNtech ECU+ Tuning the W205 - C 63 AMG gains up to +56 HP and +107 LB-FT

0L V6 BiTurbo) Stock Performance (at crank):

205 - C-Class Sedan non-AMG | MY2015+

R190 - AMG GT R

Freightliner

RENNtech | Stainless Steel Sport Mufflers without Electronic Valves | C63 /S AMG | C205 - Coupe | 4.0L BiTurbo V8 | M177 mercedes-benz-gle-class--166---2016-2020--gle-550e-plug-in-hybrid-esr5926051 With the proprietary RENNtech ECU+RENNtech Stainless Steel Sport Mufflers without Electronic Valves for the C205 C63 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