This system is made to fit the Dual Catalytic Converters system used by GM from mid year 1995 thru 1997. If you have a 1995 model with a Single Catalytic Converter then you need part number 14464. This BORLA(r) system is unique in the industry with an adjustable sound level. By changing the block off plates you can adjust the SPL (Sound Pressure Level) to your taste. This system features 3.4 x 3 polished T - 304 stainless steel tips. BORLA(r) Cat - Back(tm) 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(r) 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, BORLA(r) 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.