Exhaust Exhaust Pipes, Systems and Components

Cobb Tuning

Cat-Back Exhaust System

$1,015.00

SKU: COBB-591100

In Stock
In Stock
Ships by Aug 3
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Constructed from durable 304 stainless steel, this system features 3-inch diameter tubing that is CNC mandrel bent for optimal flow. It includes custom inline mufflers and dual 4-inch slash-cut, double-wall tips, delivering a unique and drone-free exhaust sound. This cat-back exhaust system is part of the COBB Stage 3 Package and is noted for its easy installation. The system includes all necessary gaskets and hardware for a straightforward fitment. This cat-back exhaust is specifically designed for the 2013 through 2018 model years of the Ford Focus ST. It is not an emissions-related part and can be used on emission-controlled vehicles.

MIA's Description

The Cobb Tuning Cat-Back Exhaust System is a direct replacement exhaust for the Ford Focus ST. It features full 304 stainless steel construction with custom inline mufflers and dual 4-inch double-wall tips, producing a unique exhaust note.

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

BrandCobb Tuning
Part NumberCOBB-591100
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.

View Full Return Policy