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Exhaust› Exhaust Pipes, Systems and Components

COBB

SS 3" Cat-Back Exhaust

$905.00 $846.99 Save $58.01

SKU: COBB512100

In Stock
In Stock
Ships by Aug 3
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The COBB Tuning SS 3" Cat-Back Exhaust is engineered to enhance the performance and sound of your Subaru WRX and STI. This cat-back exhaust system adheres to the SAE 95-decibel exhaust noise level limit, ensuring compliance with regulations in California and other states. The system is not an emissions-related part and can be used on emission-controlled vehicles. It is specifically designed for 2002-2007 Subaru WRX models with EJ20/EJ255 MT engines (GD chassis) and 2004-2007 Subaru WRX STI models with EJ207 MT engines (GD chassis).

MIA's Description

The Cobb Tuning 512100 is a 3-inch cat-back exhaust system constructed from 304 stainless steel. It features a single rear exit with a polished tip. This exhaust system is designed as a direct bolt-on, utilizing factory exhaust fitment locations.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

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Specifications

BrandCOBB
Part NumberCOBB512100
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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