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Discussion Starter #1
Been trying to get a hold of the guys at DGR Performance ( formerly Kauffman's and SGS Auto ) but have not heard back from anyone via email or phone after two weeks. I'm wondering if they're still in business?

With that said, has anyone had any experience with Excessive Motorsport Performance in Manassas Va?

Excessive Motorsport Performance Center
 

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Still in business and really busy, but dave is out of the country right now. He will be back on the 19th. Pm with any other question and i will try to help you out.
 

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my buddy gets his 650rwhp cobra tuned at excessive and has never had any complaints with them. i'm planning to get my car tuned there as well. they are only 15min away from me
 
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