HKS SSQ Blow Off Valve mounting adapter to 1.50" hose clamp port. Allows easy mounting of an off-the-shelf HKS BOV onto a standard hose connection. Billet aluminum and has an anti-slip "lip" to avoid sliding under high pressure. Unit is 100% bolt on and comes with interchangeable top hat for easy change-out to different valve types by screwing on new hats form our modular blow off valve section. Same diameter as FWD 2.0T FSI noise pipe tee so it can be used to clamp to existing port near throttle body using a straight section of 1.5" diameter hose and two clamps.