RENNtech | Blow-Off Valve Adapters | 4.0L V8 | BiTurbo | AMG GT Black Series mercedes-benz-c-class--222---2014-2020--s63-amg-esr4574410 RENNtech has been at the

RENNtech has been at the forefront of ECU tuning for over 30 years

549 awhp @ 5

681 HP   736 LB-FT   W/S213 - AMG E 63 ECU Upgrade

Rated by Mercedes-Benz:        503 HP @ 5

K&W Motorsport Suspension Package for 199 - SLR McLaren

RENNtech | Blow-Off Valve Adapters | 4.0L V8 | BiTurbo | AMG GT Black Series mercedes-benz-c-class--222---2014-2020--s63-amg-esr4574410 RENNtech has been at theRENNtech Blow Off Valve M177 M178 4. 0L V8 BiTurbo AMG GT Black Series The RENNtech BOV Blow Off Valve Adapters are designed as a quick bolt in solution which are intended to release excessive pressure in high boost occasions. While releasing the pressure, the RENNtech BOV adapters create the on turbo charged engines well known "blow off" sound. CNC machined out of 6061 T6 aluminum, the RENNtech BOV adapters are anodized in black and laser etched. Due