2011-2014 STI Exhaust

Built for your 2011-2014 Subaru WRX STI, this exhaust collection offers a wide range of aftermarket parts designed to enhance your vehicle’s performance and sound. Whether you’re looking to improve horsepower, throttle response, or the aggressive exhaust note, these components deliver noticeable gains and a more engaging driving experience.

Find everything from catback systems and downpipes to headers and axle-backs, all selected to fit your WRX STI perfectly. These upgrades not only boost power and torque but also improve exhaust flow and overall engine efficiency, helping your Subaru perform at its best on the street or track.

• Catback exhaust systems for deep, aggressive sound
• High-flow downpipes for better turbo response
• Performance headers to increase power and efficiency
• Axle-back options for a refined exhaust tone

Shop exhaust upgrades for your Subaru WRX STI at Subimods.