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

Double piston Pop-Off Valve with external vent, specific for Volkswagen Audi TT and Audi S3 A4 150-180-225 hp engines.

Pop-Off valve for Opel Corsa OPC with internal vent with double spring complete with steel sleeve with relative silicone details

Double piston Pop-Off valve with external vent that can be installed on Renault 5 GT turbo on both phase 1 115hp and phase 2 120hp versions.

ProtoXide external vent pop off valve specific for all Ford Focus ST 250hp 2000 turbo engines

Double piston Pop-Off valve with internal vent, for recirculation like the original black ones, but with load and indestructible reinforced system.

Pop-Off Valve with external vent for diesel engines.

Pop-Off valve with external vent for turbodiesel engines with mechanical pump and old generation, exclusive ProtoXide kit. Unobtainable.

Valve with vacuum control - pressure

It allows to blow the excess air outside allowing you to feel classic puff in release. It is installed on all engines 3-cylinder Citroen and Peugeot 1100 and 1200 turbocharged 3-cylinder

Double piston Pop-Off valve with external vent that can be installed with connection on a 34mm diameter sleeve

Pop-Off Valve 50 mm! Specification for all engines T-Jet Alfa, Fiat, Lancia

Universal double-piston Pop-Off valve with external vent that can be installed on any car with a turbocharged gasoline engine.

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

Pop-Off valve with external vent for turbodiesel engines with digital controller with integrated display, to allow easier calibration and which will allow you to hear the classic puff even on latest generation Turbodiesel engines

Pop-Off valve 1400 Opel Mokka double piston with external vent, specific for this engine complete with adapter and everything needed to install it.