HKS manufactures different aftermarket blow-off valve kits that bolt easily onto your turbo system's aftermarket intercooler piping. The HKS blow-off valve Testament reliably impel under higher turbo boost force than inventory blow-off valve units, increasing the pinnacle horsepower hidden of your turbo transaction. HKS blow-off valves besides arrange a customized air-release clang when the turbocharged air is vented during throttle lift. Provided you are installing the HKS blow-off valve onto inventory intercooler piping in settle of a recirculated blow-off valve unit, consult to a vehicle-specific installation diagram, as babe customizations to the piping and/or vacuum course may be cold.
Instructions
1. Remove the inventory blow-off valve from the upper intercooler conduit, located halfway between the throttle reason and intercooler Issue. Generally, blow-off valves are secured to the intercooler conduit flange by two hex bolts or Phillips screws. Remove these, and disconnect the turbo vacuum border becoming from the blow-off valve vacuum connexion. The blow-off valve unit Testament then lift comp.
2. Fit the HKS blow-off valve onto the intercooler pipe blow-off valve flange. Some vehicles may want placing a blow-off valve flange adapter between the blow-off valve and intercooler tube for proper connection to the flange. Install the supplied blow-off valve gaskets between the blow-off valve and the mounting flange, then secure the blow-off valve by reinstalling the stock bolts or screws. On vehicles requiring a modified vacuum line, HKS blow-off valve kits include a replacement vacuum line and/or T-fitment for connection to the vacuum line system.
Ensure the blow-off valve is securely connected to the flange to avoid boost pressure leaks.3. Fit the turbo vacuum line onto the HKS blow-off valve vacuum fitting, located on the rear of the blow-off valve. The vacuum line will simply slip over the blow-off valve vacuum nipple.
