The aFe Mach Force XP Hi-Tuck Cat-Back 3.5" exhaust system has a lot of great features including extra ground clearance with aftermarket suspension lift kits and 409 corrosion resistant, stainless steel. Exhaust tips have polished stainless steel, (carbon fiber for BMW only), with easy installation, band clamps and OE style hangers. Jeep models don't have tips. The aFe produces 13 Hp and 15 lbs. X ft. of torque.