Fits vehicles with Coil Springs ONLY. Includes Hybrid models. This 2.75" diameter into dual 2.25" BORLAÂ Cat-Backâ„¢ system features a BORLAÂ 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. This system delivers the classic S-Type sound. It features 2 full Tail Pipes (Not a single tail pipe with dual tips). with single 4" round black chrome on T-304 stainless steel tips on each tail pipe. Using BORLAÂ Stainless Steel Polish p# 21461 is NOT recommended with these black chrome tips. We suggest cleaning the tips with hot water and a microfiber cloth. A system with bright chrome on T-304 stainless steel tips is also available. A high clearance climber / rock crawler system is also available. BORLAÂ Cat-Backâ„¢ 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 BORLAÂ Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 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 numerical control (CNC) manufacturing ensures an accurate fit. Best of all BORLAÂ stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.