Originally Posted by jay's stang
I have a custom 06' 4.0 5 sp. stang. I luv her. She has plenty of go for a 6 cyl. But of course, if I can squeeze some more horses out of her, that would be cool. Any suggestions on what mods I can do, even though I a have 3 yr. warranty? Thanks a bunch!
Your Ford warranty is voided only if your modification causes a failure and it only voids that part affected.