EXCEPT vehicles with 2.72:1 Selec-Trac Full Time 4WD System. The Borla Climber system is designed with high ground clearance in mind and comes in two sound levels. The milder Touring sound level, PN 140828 and the more aggressive S-Type sound level , PN 140829. Borla's advanced muffler technology delivers great sound outside the vehicle with no drone or resonance inside the vehicle. This system features a brushed T-304 stainless steel turndown 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.