Invidia [08-14 STI / 11-14 WRX Hatchback] Q300 Cat-Back Exhaust | Stainless Tip | HS08STIG3S

Overview

The Invidia Q300 cat-back exhaust delivers real performance gains with a deep, mellow touring tone — no drone, no neighbor complaints. Specially sized resonators and muffler baffles maintain power output while keeping sound levels civilized. Dyno-proven to gain 17 hp and 5 ft-lbs of torque on a 2008–2010 STI. All hardware and gaskets included for a seamless bolt-on installation.

Features

• Specially tuned resonators and muffler baffles for deep, mellow tone
• Dyno-proven: +17 hp / +5 ft-lbs torque (2008–2010 STI)
• Stainless steel tip
• Includes all hardware and gaskets for installation
• Direct bolt-on fitment

Fitment

• 2008–2014 Subaru STI
• 2011–2014 Subaru WRX Hatchback

Important Notes

• Running a stock J-pipe or downpipe? The GrimmSpeed Stock DP to Aftermarket 3" Cat-Back Adapter (p/n 077046) is required.

Part Number

HS08STIG3S

⚠️ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov.