AAM's quality has gone downhill. I had good experiences with them years ago, but recent reviews have been poor.
PTtuning is a reputable shop.
I favor and recommend Moore Automotive in Fairfax. They've done all my uprev tunes along with other custom work. I don't know if they are doing Ecutek. Give 'em a call!
MA Motorsports is close to your and provides a whole 'nother level of service. Check them out too.
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