These will take normal vacuum hose

which eliminates the need for an O-ring to seal the body of the blow-off valve against the piston due to extremely fine machining tolerances

This is a bolt-on fitment for the factory turbocharger as fitted to the 1

Kompact and Kompact Shortie BOVs

IWG75 EVO 6-8 Black 24PSI JRX6 These will take normal vacuumMitsubishi Evo Internal Wastegate Actuator (IWG) provides better turbo response and greater sensitivity when managing boost pressures. Designed as a direct bolt on replacement for the factory part, the Mitsubishi Evo IWG is easy to install and requires no special tools or fabrication. It cant get any easier! FEATURES: Silicone diaphragm with Nomex reinforcement to withstand high temperatures. High grade, billet aluminium construction. Stainless steel