I just bought a 2005 Supercrew Lariat 5.4 4x4 with a magnaflow exhaust and an S&B High Performance intake (the old one that leaves the oem air box in place and hooks up to it). I would like to buy the xcal 2 with Troyer tunes but I'm wondering if this intake should be upgraded first?
-Thanks

 

Why don't you call Troyer directly and ask them? Don't you think their opinion would be better than mine?

http://www.troyerperformance.com/cgi...link=contactus

Tell them you're a registered member of F150online!

 

I agree call troyer