Coastal Dyno Custom Tunes are created specific to your vehicle based on your exact modifications. This makes their tuning much more than just a typical "canned" tune by making more power, better drivability and faster times at the track. If your Mustang makes more power than stock, adding a Coastal Dyno tune gives your car a boost in performance and power. Beefcake Racing is an Authorized Dealer, call 1-855-827-7223 for more information.