You Will Find Any Excuse to Drive Your Tuned Jeep!
We Turn Your Daily Driver into a On and Off Road Warrior!
Every single Year Make Model and Engine Jeep Tuning Available.
Easy Cruiser, to Boulevard Bully, or Off Road and Track Domination
The Industry Best Unmatched 392 Jeep Tuning.
Custom Tuning for Most Vehicle Manufacturers.
For Ford, GM, Dodge, Chrysler, Jeep, and Toyota Vehicles.
Nearly every make and model.
Most Major Software Manufacturers Supported Here!
SCT, Bully Dog,
DiabloSport, Superchips Dashpaq,
HP Tuners & More Tuning Platforms all supported here.
We Are The Undisputed Leaders in
F150 Ecoboost 2.7 & 3.5 Performance
No Compromising Performance &..
Unmatched Industry Best Power, MPG's, and Drivability.
Our NO LAG Turbo Tuning Delivers
The Best Toyota Custom Tuning Available!
Awesome Results for Tundra, Tacoma, Sequoia, 4 Runner, Land Cruiser, and FJ Cruiser
SSi Performance Delivers Everytime
Go with Proven Experience
No matter the application .....We Have You Covered
Go With The Experienced People
Cars, Trucks, & SUV's
All GM Tuning Supported Here
has just been Redefined!
With our No LAG Turbo Tuning
Know That WE HAVE YOU COVERED!
Towing Your Boat
Second To None Ford Ecoboost Tuning
To The Work Site, or The Race Track
Don't Trust Just Anyone With Your Investment
When it comes to Dodge & Chrysler Tuning
Whether its your Dodge Ram, Challenger, R/T, SRT, Scat Pack, Drag Pack or HELLCAT
SSi Performance Delivers Everytime
Go with Proven Experience
We Make your Explorer or Explorer Sport...
RUN like a Performance Sedan
With Smooth Linear on Demand Power
....No Matter where You Go!
Formerly Known As Southern Speed Inc. Ford, GM, & Chrysler Custom Tuning. #1 in ECOBOOST TUNING. Your Best Choice for all your CUSTOM TUNING needs.
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 …
We are Excited to have the Custom Tuning on Select 2021-2025 Ford Vehicles NOW AVAILABLE! These will all use the BDX Programmers. 2024 to 2025 Ford Mustang 2021 to 2025 Bronco 2.7 and Raptor 3.0 2021 o 2023 Ford F150 2.7 3.3 3.5 and 5.0 2021 to 2023 F150 Raptor 5.2 2022 to 2024 Expedition 3.5 We are offering the Programmers with Custom Tuning with 3 custom tunes of your choice�…
October 16th, 2025 
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