GrimmSpeed Bypass Valve (15-21 Subaru WRX)

GrimmSpeed Bypass Valve

The long-awaited GrimmSpeed Bypass Valves are here! Our passion for building the most robust, best-performing parts on the market has driven us to create the finest version of one of the hardest-working parts of your vehicle's turbo system. Best of all, we’re offering these BPVs in all of the major EJ and FA engine fitments including the 08-14 WRX/05-09 LGT, 04-21 STI and 15-21 WRX.

Quick Specs

• CNC-Machined 6061 Aluminum

• Corrosion resistant anodized finish, available in both red and black

• Oversized 38mm brass piston for superior flow

• Precision-tuned steel spring for long life

• No tuning or adjustment required

• Single dovetail O-ring grooves with Buna-N O-rings for great oil resistance, retention, and leak free operation

• Swivel air fitting to aid in install and for accommodating custom setups

Fitment:

• 15-21 Subaru WRX