This 2-3/4 inch diameter into dual 2-1/4 inch BORLA(R) Cat-Back™ system features a BORLA(R) exclusive external Quarter-Wave Tuning Tube as part of the front pipe assembly. The Quarter-Wave Tuning Tube works in conjunction with the muffler to eliminate drone inside the vehicle. The system delivers the classic S-Type sound. It features 2 full Tail Pipes (Not a single tail pipe with dual tips) with single 4 inch round bright chrome on T-304 stainless steel tips on each tail pipe. A system with black chrome on T-304 stainless steel tips, and a high clearance climber /rock crawler system are also available. BORLA(R) Cat-Back™ and Axle-Back 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(R) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium 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 and power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit.