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in Automotive Tuning Performance

Providing the Absolute Best

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 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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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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Ford GM and Dodge Truck Performance

Know That WE HAVE YOU COVERED!

Second To None Ford Ecoboost Tuning

Towing Your Boat

To The Work Site, or The Race Track

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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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GM Custom Tuning

Camaro, Corvette, Trucks & SUV's

No Compromising Performance..

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

A Complete Custom tune

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You Will Find Any Excuse

We Turn Your Daily Driver

Into a Daily Dose of Excitement and Adrenaline Rush

Just to Get in and Ride with SSi Performance Tuning

Easy Cruiser, to Boulevard Bully, or Track Domination

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With Your Investment

When it comes to Performance Tuning

Dont Trust Just Anyone

Reliability, Power, MPG's and Excitement

Go with Proven Experience

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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.


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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

  • Ecoboost Towing

    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

Our customers

 Join our  Facebook Group Here

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Latest Performance News

Eric & Tracy Noels 2017 Fusion Sport Runs a 12.78@108.12 with SSi Performance Tune Only! Video and Slips Inside

Congrats to the Noels first time at the track with their 2017 Fusion Sport 2.7. Although the weather was a poor 3000 DA they still managed a great run with 93 octane and SSi Performance Tune Only. Should be able to knock off at least .3 to .4 with decent air and fuel.   [wpdevart_youtube]DsFfSF_P_ks[/wpdevart_youtube]

Victor 3 runs 12.36 Best

Victor G sets his new 2016 F150 Ecoboost fastest track time of 12.36@107.50 mph. Video Inside

Congrats to Victor G for his new personal best time 12.36@107.50 mph with his 2016 F150 Ecoboost 3.5.  Intake and SSi Performance tune only. That is FAST and Great 60 foot times! [wpdevart_youtube]y-ewmvN2Bdw[/wpdevart_youtube]

Dave 12.97

Congrats to Dave V for his fastest 11-14 F150 Ecoboost track time. Slips and Video inside.

A big Congrats goes out to Dave for his great run of 12.97@103.09 yesterday. After the run we realized it was the fastest 11-14 Super Crew track run ever.  Nice Job! [wpdevart_youtube]f52TS4mq04I[/wpdevart_youtube]  

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