Factory Single Side Exit ONLY. This system features a bright chrome on T-304 stainless steel tip and the Touring sound level. A black chrome on T-304 stainless steel tip is also available. Add Adapter 60708 For Crew Cab Standard Bed (6' 7") 157" Wheelbase Vehicles. Each system is built from premium, high-quality T-304 austenitic stainless steel, superior to T-400 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. You can count on BORLA? to provide durability, performance, sound, and a Million-Mile Warranty.