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Labor Day

SSi Performance Labor Day Weekend Sale

September 4th, 2026
By socaldiablo
Posted in Uncategorized
Comments 0

SSi 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 …


23 to 26 F Series

Custom Tuning now Supported for 2023 to 2026 F – Super Duty 6.8 and 7.3 Available!

February 17th, 2026
By socaldiablo
Posted in Uncategorized
Comments 0
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.  

Testimonials

Why choose SSi Tuning? Check out the testimonials. Nothing beats experience.

November 3rd, 2025
By socaldiablo
Posted in Uncategorized
Comments 0
Click Here for just some of our testimonials and reviews. Also join and check out our Facebook Group for more. https://southernspeedinc.com/testimonials/

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