Custom Tuning for Most Vehicle Manufacturers.
For Ford, GM, Dodge, Jeep, & Chrysler 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
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
We Make your Explorer or Explorer Sport...
RUN like a Performance Sedan
With Smooth Linear on Demand Power
....No Matter where You Go!
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
Formerly Known As Southern Speed Inc. Ford, GM, & Chrysler Custom Tuning. #1 in ECOBOOST TUNING. Your Best Choice for all your CUSTOM TUNING needs.
Our Annual Veterans Day sale is on! You can get up to $100 off programmers with custom tune packages and custom tuning only. SCT / Bully Dog BDX and X4 tuners $525 shipped includes 3 custom tunes for your choice. DiabloSport I3 Programmers $585 shipped including 3 custom tunes of your choice. 1 Custom tune $135 or 2 Custom tunes for $180 Cam swaps and special mods $260 which includes datalogg…
Labor Day Sale starts now! Programmers, custom tuning, Dodge and Jeep ECM swap kits and more! Payment Methods for sale prices. Here are the most other than credit or debit cards and get a substantial savings. We use optional payment like Venmo, Cashapp, Western Union, and Ria Money Transfer for out of country customers. Most of these methods can fund with a credit or debit card and is …
November 26th, 2024
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