September 4th, 2026
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Comments Off on SSi Performance Labor Day Weekend SaleSSi Performance Labor Day Sale Prices Sale Prices for all 2015 Up Dodge, Chrysler, Jeep, and Ram vehicles with Unlocked PCM Swaps, DiabloSport I3 Programmer, and 3 custom tunes of your choice included please email [email protected] $100 off Sale for Dealer Pricing for 1 Custom Tune link below. 1 Tune for $150 https://buy.stripe.com/14A4gycpd4VpaAscnW1wY2C Sale for Dealer Pricing ...
February 17th, 2026ByPosted in Uncategorized Comments Off on Custom Tuning now Supported for 2023 to 2026 F – Super Duty 6.8 and 7.3 Available!Custom Tuning Supported for 2023 to 2026 F - Super Duty 6.8 and 7.3 Now Available! We are pleased to announced to long awaited Tuning for these 2023 to 2026 6.8 and 7.3 F-Series vehicles. Now its here and ready to go! Email [email protected] or [email protected] or call / text 562 305 3532 for information and purchases.
November 3rd, 2025ByPosted in Uncategorized Comments Off on Why choose SSi Tuning? Check out the testimonials. Nothing beats experience.Click Here for just some of our testimonials and reviews. Also join and check out our Facebook Group for more. https://southernspeedinc.com/testimonials/
October 16th, 2025ByPosted in Uncategorized Comments Off on 2017 to 2023 Silverado 2500 3500 DuraMax and GMC Sierra Duramax Custom Tuning Supported!2017 to 2023 Silverado 2500 3500 DuraMax and GMC Sierra Duramax Custom Tuning Now Supported! Unlock Cable means no downtime and no sending in your PCM. This is with BDX part #40472 and Cable part#9830. BDX with custom tunes is $760.00 and the Cable is $50. We sell the kit for $810 Now tuning newer Duramax is easier than ever and much more affordable than other tuning option previously offered ...