Exhaust› Exhaust Pipes, Systems and Components

Grimmspeed

3-Inch Catted J-Pipe

$829.00

SKU: grm007103

In Stock
In Stock
Ships by Jul 31
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The GrimmSpeed J-Pipe/Downpipe is engineered as a direct, bolt-on replacement for the factory downpipe on the 2015-2021 Subaru WRX models equipped with a manual transmission. Crafted from durable cast aluminum, this 3-inch diameter component features a catted design to help manage emissions while enhancing exhaust flow. By replacing the restrictive stock unit, this J-pipe aims to improve turbo response and overall engine performance. It is designed as a performance modification intended to provide a smoother exhaust gas exit from the turbocharger.

MIA's Description

The GrimmSpeed J-Pipe is a catted downpipe designed for the 2015-2021 Subaru WRX with a manual transmission. Constructed from cast aluminum, this 3-inch diameter component features a catted design. It is a direct bolt-on performance modification that replaces the factory downpipe.

Fitment

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Specifications

BrandGrimmspeed
Part Numbergrm007103
CategoryExhaust

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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