Quote:
Originally Posted by HickRocket1258
So I asked my dad if he wanted to help me with my valve body I got from TCI for my mustang. I also told him I would be getting gears installed on the mustang as well. He came back with do I really want to make the car not streetable and also said the sound you'll hear is from the gas tank sipping your money away haha. 4.10s aren't going to hurt as everyone really thinks.
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Yeah my friend Chris has 4.10s in his '06. There's a drop in mpg, but it doesn't break the bank