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  Ford, GM, & Dodge Custom Tuning Professionals

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

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  Ecoboost Custom Tuning

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

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  Ford, GM, & Dodge – TRUCKS & SUVs

  Custom 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 more experience and have you covered with any Ford, GM, Dodge, Jeep, or Chrysler Tuning needs. Don’t trust just anyone with your vehicle. 

How much experience do we have?

 Put our 0ver 20 plus years of experience in performance tuning to work for you. There is a reason we are the leaders in performance tuning. The customer testimonials, reliability, mpgs, and track times for racers speak for themselves. No compromise performance tuning with our priority on health, safety, and longevity of every vehicle we tune.

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 and guide you. We can put yourself and your vehicle in the best position for success. Feel free to give us a call for any and all consultation you may need.

Let us Show you!

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

Check Out Our Customer Testimonials

 Join our SSi Performance Facebook Group

Latest Performance News

Memorial Day Sales!

May 22nd, 2025

By socaldiablo

Posted in Uncategorized

Comments 0

Memorial Day Sale this weekend! Save on Programmers with Custom Tuning, Custom Tuning Only, and Programmers with Custom Tunes and Unlocked PCM Swaps. You can get any SCT or Bully BDX or X4 Programmer with 3 Custom Tunes Included for $545 shipped. Any DiabloSport I3 Programmer with 3 Custom Tunes included for $560 shipped. DiabloSport I3 Programmers with Custom Tuning and with PCM swaps all incl…

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SSi Toyota Tuning Reviews with SCT/ BullyDog are Amazing! Check it out below!

March 11th, 2025

By socaldiablo

Posted in Uncategorized

Comments 0

SSi Toyota Tuning Reviews with SCT/ BullyDog are Amazing.  Here is a snippet of what’s in the SSi Performance Facebook Group Page now. Join our Facebook Group  https://www.facebook.com/groups/SSiPerformance/   You can order the Programmer with 3 custom tunes of your choice or if you have a BDX you can order just custom tunes separately. You will be amazed!     &n…

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More Toyota Custom Tuning Support added! Toyota Tundra 4.6 2010 – 2017 & Sequoia. Details inside.

February 19th, 2025

By socaldiablo

Posted in Uncategorized

Comments 0

Toyota Tundra 4.6 2010-2017 and 2010-2012 4.6 has just been added to the existing support we have! Our tuning solutions are now available for: 2009-2015 Toyota Tacoma 4.0L 2007-2017 Toyota Tundra 5.7L 2018-2021 Toyota Tundra 5.7L 2010-2017 Toyota Tundra 4.6L 2010-2012 Toyota Tundra 4.6L 2010-2012 Toyota Sequoia 4.6L 2007-2017 Toyota Sequoia 5.7L …

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