EXCEPT ZR2 & AT4X models. Fits Factory Split Rear Exit vehicles ONLY. BORLA® system has a Valve Simulator Add Adapter 60706 for Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles Polyphonic Harmonizer 60680 can be added to this system to attain the ATAK® sound level Tips NOT included, reuse factory tips. BORLA® systems that include tips are also available. See below for product Features & Benefits