The largest intake system available for the 4.0tt platform with a true full 2.5" intake runner all the way to the turbo. Inlet depression on the stock turbo can reach 750mbar while our inlet pipe doesnt drop below 900 resulting in a free 3-4psi on the top end. 30-40hp gains consistently at redline. 5 axis machined inlet snouts are welded to mandrel bent tubing specifically designed for this application. The kit comes with hardware install kit and 2 genuine k&N filters. Due to this items popularity, you can expect a 1 week lead time from date of purchase.