EXCEPT Convertible. This 3" diameter True Dual BORLA® Cat-Back™ system features a Merge X-Pipe for increased performance and improved sound. Includes 2) 3" O.D. x 2.25" O.D. x 7" long adapters for clamp on installation to the stock exhaust system. Do not use the adapters for full 3” inlets. This system contains active valves that retain the Active Exhaust functionality. Muffler contains 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. It features the aggressive ATAK® sound with no drone inside the vehicle and 4" round bright chrome on T-304 stainless steel tips. Systems with black chrome on T-304 stainless steel tips, and carbon fiber tips are also available. BORLA® Cat-Back™ and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed 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.