RENNtech ECU Upgrade | GL 550 | X166 | 480HP / 605LB-FT | 4.7L BiTurbo | M278 Engine audi-s3--8p---2006-2012--2-0l-tfsi-esr5566206 Upgraded Throttle Body and Stainless

Upgraded Throttle Body and Stainless Steel Headers

RENNtech Performance Series | Forged Wheels | Set of 2 Front and 2 Rear | Front: 23" x 10

The RENNtech performance turbo upgrade is truly the ultimate upgrade for your E63 (S) AMG Sedan and Wagon

Rated by RENNtech (peak @wheel):              621 whp @ 5

Carbon Fiber Bumperette Delete for 2019+ CLS AMG 53

RENNtech ECU Upgrade | GL 550 | X166 | 480HP / 605LB-FT | 4.7L BiTurbo | M278 Engine audi-s3--8p---2006-2012--2-0l-tfsi-esr5566206 Upgraded Throttle Body and StainlessECU Upgrade 480HP 605LB FT Gains: +32HP +67LB FT Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or