by-pass valve to handle turbo volumetric or management turbo pressure

Double-piston Pop-Off valve with external breather specific for this Toyota engine

ProtoXide pop off valve specific for Toyota Celica GT Four complete with silicone curve, T-piece fitting for vacuum and vacuum silicone pipe

Pop-Off valve with external vent for turbodiesel engines.

Pop-Off Valve double-piston vented outside specification for the Audi TT and Audi S3 180-225 hp.

Pop-Off Valve double piston external vent, specific for this engine 1.4 Opel Mokka.

Pop-Off valve with external breather for turbodiesel engines with mechanical pump and older generation, exclusive ProtoXide kit. Very hard to find.

Pop off valve PROTOXIDE specification for all engines Alfa, Fiat, Lancia engine with 1400 T-Jet Abarth or

Pop-Off Valve double-piston vented outside, specific for all engines 1.6 turbo PSA

Pop-Off Valve with external vent for diesel engines.

Tial blow off valve with internal recirculation

Pop FAST allows you to blow off the excess air outside allowing you to feel in classic puff in the release.