Exhaust› Exhaust Pipes, Systems and Components

SPEC D TUNING

STI CATBACK EXHAUST 4 INCH QUAD TIPS AND 3 INCH INLET

$741.94

SKU: S034 MFCAT3-WRX15Q

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Spec-D Stainless Steel Quad Tip Exhaust is a high-quality aftermarket catback system designed specifically for the 2015-2021 Subaru WRX and WRX STI. It features mandrel-bent 3" piping, TIG-welded construction, lightweight T-304 stainless steel, and polished 4" single wall quad tips for improved performance and aggressive styling.

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.

Available on iOS & Android

Specifications

BrandSPEC D TUNING
Part NumberS034 MFCAT3-WRX15Q

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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