Dual Piston Blow Off/Dump Valve Volvo > V40/S40 T5 > 1996-2000 We cannot guarantee compatibility with

We cannot guarantee compatibility with all applications

this is a fully atmospheric blow off valve

Ideal for fast-road drivers and weekend track enthusiasts

Perfect for track-day builds

Using internal components developed from Nitron’s championship-winning systems

Dual Piston Blow Off/Dump Valve Volvo > V40/S40 T5 > 1996-2000 We cannot guarantee compatibility withSuitable 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