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in Automotive Tuning Performance

Providing the Absolute Best You Can Get

We Tune with SCT, Bully Dog, DiabloSport, Hp Tuners, & More!

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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

Diablo Sport

HP Tuners & More

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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

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No matter the application .....We Have You Covered

Go With The Experienced People

Cars, Trucks, & SUV's

All GM Tuning Supported Here

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Unequaled Ecoboost Performance in

has just been Redefined!

Drivability, Power, & Fuel Economy

Your Ford SHO, MKS, Flex, Explorer, & Edge Driving Excitement...

With our No LAG Turbo Tuning

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Ford GM and Dodge Truck Performance


Towing Your Boat

Second To None Ford Ecoboost Tuning

To The Work Site, or The Race Track

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We Make your Explorer or Explorer Sport...

RUN like a Performance Sedan

With Smooth Linear on Demand Power

....No Matter where You Go!

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Don't Trust Just Anyone With Your Investment

When it comes to Dodge & Chrysler Tuning

Whether its your R/T, SRT, Scat Back, Drag Pack or HELLCAT

SSi Performance Delivers Everytime

Go with Proven Experience

Welcome to SSi, The Performance Tuning Experts (562) 305 3532

EcoBoost Tuning / Ford, GM, Chrysler, and Jeep Custom Tuning

Formerly Known As Southern Speed Inc. Ford, GM, & Chrysler Custom Tuning. #1 in ECOBOOST TUNING. Your Best Choice for all your CUSTOM TUNING needs.


Home of  THE WORLDS FASTEST, Best Driving, & MPG F150’s

Programmers with Tunes   Custom Tuning


  • gm tuning

    Ford, GM, & Dodge Tuning Professionals

    Custom tuning for Challenger, Mustang, Camaro, and more.

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  • ecoboost tuning

    Ecoboost Custom Tuning

    F150, Explorer Sport, SHO, Mustang, & Fusion. No Lag Turbo Power Done Right!

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  • Ford Tuning

    Ford, GM, & Dodge – TRUCKS & SUVs

    Performance tuning for F150, Ram, Silverado, Jeep and more.

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Why choose us?

 First of all, you came here for a reason. You are seeking performance tuning for your car or truck and you came to the right place. We have you covered with any Ford, GM, Dodge, Jeep, or Chrysler Tuning needs. Don’t trust just anyone with your vehicle. Put our 0ver 20 years of experience in performance tuning to work for you. There is a reason we are the leaders in performance tuning. The track times, numbers, and customer testimonials speak for themselves.


What do we support?

 We support all of the major tuning manufacturers with their custom tuning software. We are proficient with SCT, Bully Dog, Diablo Sport, HP Tuners, and stand alone race systems. If you already have a device or programmer you can purchase custom tuning from us that will be head and shoulders above any competitor. If you need a programmer with custom tuning let us help you put yourself and your vehicle in the best position for success. Feel free to give us a call and any consultation you may need.


Let us Show you!

 SSi Performance offers Ford, GM, Dodge, Jeep, and Chrysler Custom Tuning. Buy one of our custom tuning options ans see how much power, drivabilty, and mpgs you have been missing out on. Let our many years of experience better serve you.

Click here or on the Our Customers” logo below for Customer Testimonials

Our customers

 Join our  Facebook Group Here


Latest Performance News

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Come Join our Facebook SSi Performance Group

Join our SSi Performance Facebook Group. Get the latest information in automotive performance, tuning, tech, and aftermarket parts. You can get solid advice, share experiences, or just hang out and enjoy the camaraderie.  

SCT, Bully Dog Cabelas Gift card and SSi Performance Sale on Programmers.

Don’t forget to redeem your SCT and Bully Dog Cabellas Gift Card for purchases this month. Also At check out here at SSi Performance dont miss out on out Corona Virus sale we have too. At checkout enter in coupon code- corona              Don’t miss out, from now …

Corona Virus Tuning Sale of programmers and Custom tunes

We have a sale on Programmers with Custom tuning and Custom Tuning.   This sale may help people take their mind off some difficult or challenging times we are currently faced with. We have $25.00 off all programmers with Custom tuning and 2 custom tunes for $150.00 or 1 tune for $110.00   Programmers with Custom tuning $25.00 discount at checkout use coupon code-  corona 1 Custom…

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