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in Automotive Tuning Performance

Providing the Absolute Best You Can Get

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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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 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!

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 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.


 

SSi Home of the fastest

  • gm tuning

    Ford, GM, & Dodge Tuning Professionals

    Custom tuning for Challenger, Mustang, Camaro, and more

    Read More

  • ecoboost tuning

    Ecoboost Custom Tuning

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

    Read More

  • Ford Tuning

    Ford, GM, & Dodge – TRUCKS & SUVs

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

    Read More

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. Whether it be ecoboost tuning/Ford tuning or another platform, Don’t trust the newbie competition with your custom tuning needs. Put our 17 years of experience in performance tuning to work for you. There is a reason we are the leaders in performance tuning – Nobody else comes close. We don’t say that to brag, we say that because our custom tuning options are proven to be the fastest, most drivable and most reliable in the industry. The numbers and customer testimonials speak for themselves.

We are famous for Ford tuning, in particular, ecoboost tuning where we hold the record for the fastest Ford F-150. We literally have thousands of hours dedicated to learning the ins-and-outs of ecoboost tuning. This platform is very intricate, so it really takes a lot of skill and knowledge to get it perfected. Another example of ecoboost tuning we specialize in, is the Ford Taurus SHO. We have customers who have gone from high 12’s to low 12’s just by switching to our tune. When it comes to Ford tuning, we are the hands-down industry leaders.

We also offer GM tuning as well as Chrysler tuning. We are a step ahead because we eat, sleep and breathe performance tuning; it’s all we do. When you are ready to go from the kiddie pool to the Ocean, buy one of our custom tuning options and see how much power and drivability you have been leaving on the table.


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

Our customers

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Latest Performance News

jeff 2.7 F150 12.6 run

Jeff H 2017 F150 2.7 Runs Fastest SCAB Record [email protected]! Video Inside

A Huge Congrats goes out to Jeff H for his blazing [email protected] run at Orlando FL last night setting the F150 2.7 Super Cab record. Jeff has been working hard these last few weeks getting to the track racing and its paid off. This truck is a tune only running a 40% blend of E85 with his 93 octane. He now has gone from 12.93, to 12.8, down to 12.6 all in his last 3 outings. Thanks Jeff for helpi…


12s Explorer Sport

Chance Kezar runs a [email protected] Record in his Explorer Sport!

A big congrats goes out to Chance to putting his Explorer Sport into the 12’s. Chance hit the track yesterday in Canada and put his Explorer Sport into the 12’s on his 3rd pass on the day. This is the first Explorer Sport on just gasoline with bolt on cold air and cat back to ever reach the 12 second mark with stock turbos and NO METH!

12.22 SHO Run

Congrats to Jorge Roldan for new personal best [email protected] in his SHO with 93 octane KSZZ Tune.

Jorge Roldan set his new personal best mark and fastest 93 octane SHO tune on Friday night in Orlando Fl with a great [email protected] mph. He started out the night with a 12.3 run and thought he could improve which is exactly what he did on the next pass. When we sent him the new 93 octane KSZZ Street tune he felt it was his fastest tune we had given him to date prior to going to the track. The …


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