Exhaust› Exhaust Pipes, Systems and Components

SPEC D TUNING

STI CATBACK EXHAUST 4 INCH QUAD BURNT TIPS AND 3 INCH INLET

$811.62

SKU: S034 MFCAT3-WRX15QT-SD

In Stock
In Stock
Ships by Jun 12
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The SPEC D TUNING MFCAT3-WRX15QT-SD is a stainless steel quad-tip cat-back exhaust system designed for 2015-2021 Subaru WRX and WRX STI models. It features 3-inch mandrel-bent piping, 4-inch burnt single-wall tips with removable silencers, and TIG welding for durability. The system includes all necessary gaskets and hardware for a direct bolt-on installation.

Fitment

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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.

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Specifications

BrandSPEC D TUNING
Part NumberS034 MFCAT3-WRX15QT-SD

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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