RENNtech | Stainless Steel Sport Mufflers without Electronic Valves | C63 /S AMG | C205 - Coupe | 4.0L BiTurbo V8 | M177 mercedes-benz-amg-gt--190---2015-2017--gt--2016-2017--esr9621144 TCU -upgrade is now available

TCU -upgrade is now available as an individual upgrade for the following vehicles equipped with the Mercedes-Benz 9G-Tronic transmission

The vast amount of increased torque across the entire RPM range gives the 550 an extra edge to compete with AMG powered vehicles

the RENNtech HPFP’s will provide you with enough fuel to make significantly more power

ECU+ Upgrade | 669HP / 734TQ | Gains: +119HP / +190TQ

6 Series (E64) M6 V10 [Full kit] (HP: 507 | Year: 05 >)

RENNtech | Stainless Steel Sport Mufflers without Electronic Valves | C63 /S AMG | C205 - Coupe | 4.0L BiTurbo V8 | M177 mercedes-benz-amg-gt--190---2015-2017--gt--2016-2017--esr9621144 TCU -upgrade is now availableRENNtech 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