Ford Mustang Forum - View Single Post - Roush Supercharger install.
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post #18 of (permalink) Old 07-09-2015
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Joined: Jun 2013
Location: Middle TN
Posts: 511
Originally Posted by cdanielnewman View Post
You have the stages correct but the warranty does change. I've been round and round with Ford and Roush about this. is it stupid? Yes. Would I have still purchased my car if I knew this beforehand? Yes.
Sounds like you're being lied to. Your Ford powertrain warranty is not automatically voided by cosmetic/suspension mods.
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