RENNtech | Blow-Off Valve Adapters | 4.0L V8 | BiTurbo | AMG GT Black Series mercedes-benz-gl-class--166---2013-2016--gl-550-biturbo-4matic-esr9025016 In addition to our ECU

In addition to our ECU tune

R-Line Comparison: Vehicle Package HP Gains TQ Gains W/S 213 - AMG E63 Stock

Each kit comes with 2 BOV adapters

648 HP   713 LB-FT   W167 - AMG GLE 63 ECU Upgrade

RENNtech Transmission Software Upgrade for 722

RENNtech | Blow-Off Valve Adapters | 4.0L V8 | BiTurbo | AMG GT Black Series mercedes-benz-gl-class--166---2013-2016--gl-550-biturbo-4matic-esr9025016 In addition to our ECURENNtech 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