Ford Mustang ForumThis forum is for the discussion of all Ford Mustang models, including the Ford Mustang, Ford Mustang Convertible and Ford Mustang Coupe and all older/classic models and submodels.
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.
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Smooth shift from 1st to 2st
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