Our SSi Performance July 4th Sale is on now. Save Big!   1 tune $125.00, 2 tunes for $175.00, or 3 Tunes for $219.00. Special mods like cam swaps $219.00 include datalogging. https://southernspeedinc.com/optional-payment-methods/   SCT X4s and DBX Programmers with 3 custom tunes included $479.00 shipped. https://southernspeedinc.com/product/sct-bdx-or-bully-dog-bdx-with-3-custom-...

We finally got a 2021 up F150 to the track. Doug McCay just ran a smokin [email protected] mph and a 12.49@112 on an idle launch. No boosted launch. Now next time its the time to really send it and give it all the marbles and a boosted launch. We are the only ones over the years to have stock Ecoboost F150s in the 11's. This one is headed straight there. Bet that. No bigger turbos, no fuel system upgrad...

Memorial Day Sale is on now! 1 tune $125 or 2 tunes for $175.00 SCT X4s and BDX Programmers with 3 custom tunes included $459.00 shipped. Call 562 305 3532 or email [email protected]