Dual Piston Blow Off/Dump Valve Colour:Black Fits M3 rear anti roll

Fits M3 rear anti roll bar

5 ET45/ ET35

allows for the removal and replacement of the EGR valve on the T5 5 cylinder 2

Small diameter: 60mm (2 3/8")

expansion tank lower top hose

Dual Piston Blow Off/Dump Valve Colour:Black Fits M3 rear anti rollSuitable for most turbo cars with an Air Flow Meter. Made from billet aluminium, this atmospheric diverter valve dumps the charge air to atmosphere creating the "Whoosh" sound when the throttle is lifted. This increases both quicker throttle response and higher clamping load to maintain boost pressure more reliably. Unlike single piston or diaphragm diverter valves, this uses counter balanced springs and dual pistons to prevent the valve from leaking