EXCEPT vehicles with 2.72:1 Selec-Trac Full Time 4WD and eTorque mild hybrid system. The 2.5" diameter Borla(r) High Clearance Climber / Rock Crawler Cat-Back(tm)system is designed with ground clearance in mind. Providing additional clearance this system is perfect for off-roading overlanding and rock crawling. It features the mellow Touring sound. Borla(r)'s advanced muffler technology delivers great sound outside the vehicle with no drone or resonance inside the vehicle. This system features a 2.5" brushed T-304 stainless steel turn down tip. 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.