Originally Posted by alloy427r
I am replacing my current exhaust with a bbk full length x-pipe w/ catalytic converter on my 2007 427r. Does anyone have a link or info on performance gained or loss and if it is a good choice for this particular car?
With a catted X-Pipe you can expect to see gains around 5-10RWHP area. The Cat-less version usually sees around 15RWHP because of the straight through design!
I'm sure ford will install it just fine. Let me know if I can be of any assistance!