RENNtech | Blow-Off Valve Adapters | 4.0L V8 | Aston Martin mercedes-benz-cls-class--219---2006-2011--cls-500-esr9637543 Through our 30+ years of

Through our 30+ years of ECU tuning experience

538 LB-FT @2

650 HP @ 7250rpm / 500 LB-FT @ 3000-7000rpm

Gains: up to +228 HP | +182 LB-FT

they deliver a distinctive

RENNtech | Blow-Off Valve Adapters | 4.0L V8 | Aston Martin mercedes-benz-cls-class--219---2006-2011--cls-500-esr9637543 Through our 30+ years ofRENNtech Blow Off Valve Aston Martin Vantage V8 and DB11 V8 M177 4. 0L V8 BiTurbo 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