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 |
2.5" |
3.5"x2.75" |
Dual Oval Rolled Angle-Cut |
29 |
Dual Left Rear Exit
|
Suits: 2009-2016 Audi B8/ B8.5 A4 2.0L 4 Cyl. Turbo Automatic/ Manual Front-Wheel and All Wheel Drive 4 Door.