This bare-bones catback exhaust system features full stainless construction and v-band connections throughout. It includes a resonated front section and a long straight-cut outlet for the base model, with an optional 4″ single wall polished TIG welded tip available for an additional $60. Both options deliver catback-level performance at midpipe pricing.

Key Features

• Performance-Oriented Design

  • Factory-fit 3″ donut gasket connects directly to factory downpipe or aftermarket 3″ flat flange downpipe without restriction

  • Single short resonator promotes excellent sound quality while retaining the signature pop and crackle

  • Routes around the differential and exits diagonally out the drivers side with optional tip

• High-Quality Construction

  • CNC mandrel bent tubing for smooth flow

  • 100% T304 stainless steel, precision fabricated and fitted weldment

  • Hand TIG welded for strength and durability

  • Solid hanger bars with included urethane exhaust hanger bushings for secure, lightweight retention

Benefits

• Power Gains

  • Nearly +32 ft-lb torque and +20 whp around 4500 rpm for a noticeable improvement in drivability and response

• Enhanced Sound

  • Straight-through, non-muffled design provides a louder, wider sound spectrum

  • Ideal for track driving to hear the engine clearly through a balaclava or helmet

• Weight Savings

  • Approximately 25 lbs lighter than stock catback systems, perfect for weekend track days or daily driving

Fitment

• Subaru WRX: 20152021

• Subaru STI: 20152018

• Not compatible with 2019+ STI models