Air and Fuel Superchargers, Turbochargers and Components

GrimmSpeed

GrimmSpeed FMIC Piping Kit - Red 08-14 STI

$680.00

SKU: G00B 90222

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The GrimmSpeed Version 2 Bypass Valve is a redesigned exhaust component engineered to improve manufacturability, performance, and reliability over the previous version. It addresses common stock bypass valve leakage and is designed to hold double the pressure of stock units.

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 90222

Videos

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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