Carbon Fiber Airbox | SUV M177 | 4.0L V8 BiTurbo | Satin & Gloss Finish Finish:Satin Gains up to: +95 HP

Gains up to: +95 HP | +55 LB-FT

CPC Upgrade: The Powertrain Control Unit (CPC) upgrade increases torque limits and allows the engine to operate without the restrictions set by the stock/factory CPC unit

The R1 performance package is the perfect entry level performance upgrade for the Mercedes-Benz 190 - AMG GT-S

RENNtech ECU HHT (HandHeldTuner) for the 220 - S55 AMG Kompressor

RENNtech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz CL-class

Carbon Fiber Airbox | SUV M177 | 4.0L V8 BiTurbo | Satin & Gloss Finish Finish:Satin Gains up to: +95 HPPerformance testing shows that the OEM air boxes on the M177 V8 Bi Turbo engine become a constraint when power output is increased through performance ECU software, exhaust, and turbo upgrades. RENNtech M177 Carbon Fiber Airboxes solve this problem through increased volume and airflow. Substantially larger than stock and a symmetrical design that delivers over 30% more filter area allows the engine to perform at the highest level in both stock and