I rode my buddies 05 with a PC pipe and a YZ cam and I am sure it will smoke my 426 start to finish YZ time it, put a EKP needle (YZ needle) in the car, slot 4, and rejet. I felt no loss in bottom end, and the midrange hit is awesome. The only thing you will regret is that you did not do it sooner. I lost my jet numbers in my sig. when it they went to a new server, or I would give them to you.