excessivemotorsports.net Chris the owner is one of the original guru's in mustangs. I moved about 5 hours away and trailer my car there to get a tune before a mustang weekend. Speedunlimited is still good. A&A not to bad. There is a couple of shops in Springfield that put out some real nice work out. I have had a real nightmare with a shop called musclemotorsports in huntersville, nc they put a 50z flywheel on a 93 motor and destroyed a new motor f^%$^%$ idiots
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