Borla 140703 S-Type Cat-Back Exhaust System for 17-18 Q60

Cat-Back Exhaust System - S-Type This 2.25" diameter Cat-Back system features a Merge X-Pipe for increased performance and improved sound. The exhaust exits thru single 4.5" round polished T-304 stainless steel tips on each side for a sharp appearance. The system contains BORLA'S Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean, rich, full-bodied sound to the BORLA®