R1 Performance Package | W203 | C 55 AMG | 385 HP / 400 LB-FT | 5.5L NA V8 | M113 audi-s8--d4---2012-2018--4-0l-v8-esr7501940 RENNtech ECU Upgrade for 166

RENNtech ECU Upgrade for 166 - ML 320 CDI

All this while still maintaining the same approach angle as the OE front fascia so the RENNtech splitter retains the same clearance for parking stops and steep driveways

3 Stainless Steel Bolts for installation

710 wtq @ 3

The carbon fiber Bumperette Delete is finished in a high gloss UV protectant coating

R1 Performance Package | W203 | C 55 AMG | 385 HP / 400 LB-FT | 5.5L NA V8 | M113 audi-s8--d4---2012-2018--4-0l-v8-esr7501940 RENNtech ECU Upgrade for 166R1 Performance Package for 203 C 55 AMG. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 385HP and 400LB FT. The R1 performance package for the Mercedes 55 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offers a larger volume of incoming air for better engine breathing and improved cylinder filling. This combination that provides noticeable increases horsepower, torque and throttle