Borla ATAK Cat-Back Exhaust systems feature patented, straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy and the distinctive BORLA® Sound of Power respected by motoring enthusiasts everywhere.

Each system is built from premium austenitic stainless steel, superior to T-400 series knockoffs, to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, BORLA stands behind every system with a Million-Mile Warranty.

BORLA® Performance announces the release of a new quad-exit Cat-Back™ exhaust for the venerable WRX & STi. This race-inspired system checks all the boxes on every Subaru enthusiasts’ hit list, taking this flagship to an even higher realm of performance.

Pipe Diameter: Single 3″ into Dual 2.25″ into Quad 2″
Tip Size: 3.5″
Tip Type: Dual Round Rolled Angle-Cut Long
Exit Style: Dual Split Rear Exit