Blow Off Valve for Ford Focus RS MK3 & Vauxhall Adam, Astra, Corsa, and more A4 and great feedback at high

and great feedback at high revs

if the product hits an object at speed or with excessive force

Compatible with CCTA and CBFA engines

Not of actual kit

Blow Off Valve for Ford Focus RS MK3 & Vauxhall Adam, Astra, Corsa, and more A4 and great feedback at highWe recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner This is a piston design bypass valve that is a direct replacement for the original fitment. This valve gives greater longevity than the diaphragm (OEM) valves but also benefits from its ability to be fitted with different springs when the boost pressure has been increased or the engine has been modified. Please note that if your vehicle has the valve show in