Quote:
Originally Posted by f150corey
and well all i can say is that there pretty awesome. the towing tune feels like it has plenty of power for towing just about anything just makes the truck feel like its got more umph to it haha. the 87 sport tune makes the truck peppy and feels like it just wants to go.
but in 87 sport my 1st to 2nd shift i get a wicked backfire at wot none of the other shifts are like that. is there anything i can do to make it a little better? im thinking not enought back pressure so i might need a muffler
my trucks an
06 5.4 f150
k&n cai
straight piped from the cats back
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hi,
I got the exact same truck and mods, how long did it take for you to get your order processed? I'm still waiting for mine has been 3 months now