Air and Fuel Superchargers, Turbochargers and Components

GrimmSpeed

GrimmSpeed 15-21 Subaru WRX V2 Bypass Valve - Black

$314.00

SKU: G00B GRM126033BLK

Out of Stock
Special Order
Ships in 4–6 weeks
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

GrimmSpeed 15-21 Subaru WRX V2 Bypass Valve - Black

MIA's Description

The GrimmSpeed Version 2 Bypass Valve is a high-performance component designed to prevent boost leaks and improve turbocharger longevity. It features a CNC-machined billet 6061 aluminum alloy body with a corrosion-resistant anodized finish. The valve utilizes an oversized 38mm aluminum piston and Buna-N O-rings for a superior seal. No engine tuning or adjustment is required for installation.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandGrimmSpeed
Part NumberG00B GRM126033BLK

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Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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