This 2.75" diameter performance Merge X-Pipe is designed to unleash power while adding a great sound. Increased exhaust velocity adds power driving excitement fuel economy and the distinctive Borla(r) Sound of Power respected by motoring enthusiasts everywhere. 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 X-Pipe with a Million-Mile Warranty. Just what you'd expect from the worlds most experienced (and most winning) exhaust brand.