Torque Solution BOV Adapters for Subaru WRX/STi Select::08-14 WRX HKS (TS-SU-HKS2-BK) Dyno tests yielded +21HP and

Dyno tests yielded +21HP and +19TQ gains while keeping intake temps down to a minimum on the Buschur Racing Project X

and a set of larger spline wheel hubs to accommodate the bigger spline on the outer stubs

longer life than stock and normal clutch feel during engagement and disengagement for a very smooth operation

If you drive such as race of other or other sporty tuff drive

For the 3mm-20mm spacers

Torque Solution BOV Adapters for Subaru WRX/STi Select::08-14 WRX HKS (TS-SU-HKS2-BK) Dyno tests yielded +21HP andTorque Solution blow off valve adapters for Subaru WRX and STi allow you to direct fit a HKS, TiAL or GReddy valve to your OEM flanged top mount intercooler without any welding or modifications at all. Made from CNC billet aluminum with a black anodized finish. Please select your flange options carefully in the purchase menu. Features: CNC Billet Aluminum Black Anodized Installs in 30 Minutes Direct Fitment Limited Lifetime Warranty Purchase Includes: