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Providing the Absolute Best

in Automotive Tuning Performance

We Deliver EXCELLENCE!

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Nearly every make and model. Ford, GM, Chrysler, & Jeep.

Custom Tuning

Virtually EVERY Platform

SCT

Diablo Sport

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We got you covered!

Ford, GM, & Dodge Truck Performance

Second to None Ford Ecoboost Tuning

Towing the Boat

...To the Job Site

...to the Race Track.

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Unequaled Ecoboost Performance in

has just been Redefined!

Drivability, Power, & Fuel Economy

Your SHO Driving Excitement...

With our No LAG Turbo Tuning

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We Make your Explorer Sport...

RUN like a Performance Sedan

With Smooth Linear on Demand Power

....No Matter where You Go!

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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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GM Custom Tuning

Camaro, Corvette, Trucks & SUV's

No Compromising Performance..

Unmatched Industry Best Power, MPG's, and Drivability.

A Complete Custom tune

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.


There is a reason why we are #1 in Performance Tuning

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    Ford, GM, & Dodge Tuning Professionals

    Challenger, Mustang, Camaro,  and more..   Read More

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             ECOBOOST CUSTOM TUNING

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

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    Ford, GM, & Dodge – TRUCKS & SUVs

    F150, Ram, Silverado, Jeep and more.. Read More

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

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“Providing Tuning Excellence is what we do”

vendors

12.45@108.8 new record

New F150 2.7 Ecoboost World Record! 12.45@108.8 mph by Joe Stanley!

NEW 2.7 F150 Ecoboost WORLD RECORD! Joe Stanley just goes 12.45@108.80!! SSi2 93 octane performance..Congrats!

12.96@107.41

Joe Stanley sets new 1/4 track MPH record with his 2015 2.7 F150 Ecoboost. 107 mph! Done with a SSi2 93 octane Performance Tune.

Although he was in much worse track conditions when he ran a 12.82@105  he managed to improve to 107 MPH with his 2015 F150 2.7 ecoboost.

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