Injen Performance Catback System w/ Burnt Tips 2015-2021 WRX / 2015-2021 STI

Engineered from the ground up, this system was designed to complement the aggressive styling and exhilarating performance of Subaru’s turbocharged icons—delivering power, style, and a soundtrack to match.

Performance & Sound:

• Dual Muffler Design – Carefully tuned to transform your exhaust note into a deep, clean rumble at idle and an aggressive roar at wide-open throttle.
• Stepped Piping Design – Maintains consistent flow rate throughout the system for improved performance and a refined exhaust tone across the entire rev range.
• Bolt-On Power & Personality – One of the easiest upgrades you can make for both horsepower gains and an unforgettable exhaust note.

Premium Construction:

• 304 Stainless Steel – From flanges to piping, built from the highest grade stainless for maximum strength and long-lasting rust resistance.
• Polished Mufflers – A sleek finish that adds style even from below the chassis.
• Quad Burnt Titanium-Look Tips – Aggressive 3.250", eye-catching finish that perfectly complements the WRX/STI’s performance attitude.

Easy Installation:

• No Cutting or Drilling – 100% bolt-on system that uses all factory mounting points.
• V-Band Clamps & Flanges – For the quickest, most secure, and hassle-free install.
• Perfect Fitment – Designed to integrate seamlessly with the factory setup.

Installation Instructions