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
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CNC-Machined 6061 Aluminum
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Corrosion resistant anodized finish, available in both red and black
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Oversized 38mm brass piston for superior flow
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Precision-tuned steel spring for long life
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No tuning or adjustment required
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Single dovetail O-ring grooves with Buna-N O-rings for great oil resistance, retention, and leak free operation
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Swivel air fitting to aid in install and for accommodating custom setups
Fitment:
