Sorry, I don't think there are too many shops around Ann Arbor. Paul's high performance is probably the closest one for you. I know couple places around detroit if you want to come on to the east side. Alternative Auto in mt clements; Detroit speed works in Warren, Pandes Performance in Livonia. Those are the shops I trust but the thing is that all of those shops' speciality are muscle cars(v-8 domestic). Hope this helps.
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98 cobra
12.60@108.06 NA
12.38@113.07 75 shot
