RENNtech | Stainless Steel Sport Mufflers without Electronic Valves | C63 /S AMG | C205 - Coupe | 4.0L BiTurbo V8 | M177 mercedes-benz-e-class-sedan--212---2010-2013--e63-amg-biturbo--2012-2013--esr4033562 Engineered to utilize OEM lug

Engineered to utilize OEM lug bolts for most applications

510 HP @ 5000 RPM

686 awtq @ 3

Our proprietary ECU+ upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability

The maximum power number reached with the RENNtech ECU Upgrade for the S560 is 584 HP and 642 LB-FT

RENNtech | Stainless Steel Sport Mufflers without Electronic Valves | C63 /S AMG | C205 - Coupe | 4.0L BiTurbo V8 | M177 mercedes-benz-e-class-sedan--212---2010-2013--e63-amg-biturbo--2012-2013--esr4033562 Engineered to utilize OEM lugRENNtech 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