As Mustang enthusiasts, we're in love with custom tuning. Many mail-order tunes are fine, but they're designed, for the most part, to not blow up your junk. Therefore, many mail-order tunes are designed to be a safe, yet powerful answer to no tune at all. However, many leave power on the table. RealSpeed Automotive is giving you the chance to peek at its custom tuning results. Check it out after the jump...

RealSpeed's Dan Carlson showcases his shop's tuning prowess by bringing you in for real results from his dyno tuning. All you have to do is go to the link below to check out Dan's latest tuning accomplishment.

http://www.realspeedautomotive.com/tuneofweek.html