2018 S5 SPORTBACK 3.0L TURBO AWD AT 4DR 2.5IN STYPE

This 2.5" diameter BORLA® Cat-Back™ system has dual 1.75" diameter tail pipes. The system features a Merge X-Pipe for increased performance and improved sound. It delivers the classic S-Type sound with no drone inside the vehicle. It INCLUDES electronic exhaust valve simulators which ELIMINATE the valves, avoiding any warning lights on the dash while providing maximum flow at all times. The system features dual 3.5" round polished T-304 stainless steel tips on each muffler. A system with brushed T-304 stainless steel tips is also available. BORLA® Cat-Back™ & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower, increased exhaust velocity, driving excitement, fuel economy, and the distinctive BORLA® Sound of Power. Each system is built from premium, high-quality T-304 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. Backed by BORLA®'s Million-Mile Warranty.