Borla Cat-back TM & Rear Section 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 300-series austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, BORLA stands behind every system with a 3-year limited warranty. Just what you’d expect from the world’s most experienced (and most winning) exhaust brand.
Pipe Diameter | Tip Size | Tip Description | Tip # | Exit |
Single 2.25" into Dual 2" |
4.25" x 3.5" |
Single Oval Rolled Angle-Cut |
17 |
Single Split Rear Exit |
Suits: 2008-2011 Subaru Impreza 2.5L 4cyl AWD Auto/Manual Trans 4-Door Sedan