The standard blow-off valves on these cars are made of plastic

\n\nFeatures

All reinforced vacuum hoses come in black and are from 3mm-6mm in diameter

S14 Wisefab knuckle has revised kinematics when compared with OEM and built in anti-squat

The Kompact's billet construction and precision-matched piston ensures excellent boost-holding ability

BOV Bubba Sonic VTA Sleeper Keys The standard blow-off valves onSometimes bigger is just better. Designed for large capacity supercharged and turbocharged engines, including turbo diesel engines, the Bubba Sonic is a large and scary full time vent to atmosphere Blow Off Valve. Bubba Sonic features: Precision machining and assembly the piston and valve body are measured to mere fractions of a millimetre, and perfectly matched to fit each other exactly. Because of this precision, an O ring is not needed to create an