This kit will convert your single exhaust system to a dual exhaust system with a Performance muffler and dual tail pipes on your late model pickup truck. All Wheel Bases. 4, 6 or 8 cyl Most jobs take 1 afternoon and basic hand tools. 2 and 3 piece tail pipes make for easy installation.* Please note : This system is designed to replace your factory OEM exhaust starting from the inlet of the muffler. If your exhaust has been replaced or modified previously fabrication to the existing exhaust on your truck may be necessary for the proper installation of our kit.*trucks with modified suspension or body lifts may also require fabrication of the exhaust or truck for the proper installation of our kit.This kit has 2.5 inch Tail pipes included for increased flow. Standard flowing aluminized mandrel bend pipe is a standard feature as well. These Super 40 Flowmaster mufflers significantly outflow the older two-chamber mufflers. They help create even more horsepower with less interior noise and a deeper exterior sound. These mufflers feature a design patterned after Flowmaster's race mufflers. These Flowmaster mufflers far exceed older models on Dyno tests. They create a beautiful hot rod sound, along with increased horsepower and gas mileage. So, if you want to get that hot rod sound and add some horsepower, then these Flowmaster mufflers have you covered.This rear exit kit will come out directly under the rear bumper on each side of the truck.