tunedbytad is now a HPTuners retailer!!
For HPtuners interfaces & credits in stock on the shelf,
visit or call Superior Automotive
Also, the tunedbytad HPTuners interface has been massivly upgraded to better service you
Let tunedbytad be your Unlimited GM V8 Pro Tuning Shop!
Software for all Gen3 and Gen4 V8 98 and up Cars and Truck are available for immediate tuning!