EXCEPT vehicles with 2.72:1 Selec-Trac Full Time 4WD and eTorque mild hybrid system. The 2.75 in. diameter Borla High Clearance Climber / Rock Crawler Cat-Back system is designed with ground clearance in mind. This system is perfect for off-roading, overlanding, and rock crawling. Borla's advanced muffler technology delivers great sound outside the vehicle with no drone or resonance inside the vehicle. This system features a 2.75 in. 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.