Fits Premier models ONLY. This Borla Cat-Back(tm) system was specifically designed to enhance the power and sound of the Chevrolet Tahoe equipped with the 5.3L engine. This system features the mellow Touring sound with no drone inside the vehicle. Split rear exit with dual 4″ black chrome on T-304 stainless steel tips on each side provide a custom appeance for your Tahoe. Using Borla 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.Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla 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-controlled CNC manufacturing ensures an accurate fit. Best of all, Borla 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.