2013-2016 Ford Fiesta ST Now Supported!

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DiabloSport Now Supports the 2013 – 2016 Ford Fiesta ST

The Ford Fiesta ST is a sporty ride but there was a lot of power left on the table from factory and unlocking that is what we do!  We strapped the Fiesta down to the dyno and got to work!  We’ve optimized the tuning and added max gains of 50 HP and 89 LB-FT of torque to the tires!  We made huge gains on the bottom end to increase responsiveness and make this car a blast to drive!

We know power is always the main goal in performance tuning but we always strive to make sure you have the custom options to make tweaks to optimize the product yourself.  We have enabled custom options like tire size calibration, cooling fan control, timing and fueling adjustments, speed/rev limiters and more!

Now you can take your Fiesta ST to the next level with POWER YOU CAN FEEL from DiabloSport!


Pre-Loaded Performance Programsdynorun_Ford_Fiesta_Stock_91_93

Fiesta ST 1.6L

93 Octane Performance Tune | +50 HP / +89 TQ
This tune was designed to get the most performance possible using 93 octane.
91 Octane Performance Tune | +40 HP / +70 TQ
This tune was designed to give great performance gains using 91 octane while increasing efficiency when driving conservatively.
 Factory HP Tune
This tune is the factory tune.

Fiesta ST Adjustable Parameters

Tire Size
Cooling Fan Control
Fuel Rich/Lean Adjustment vs RPM
Global Timing Adjustment
Drive/Neutral Idle RPM Adjustment
Rev Limiter
Timing Advance/Retard vs RPM
Speed Limiter

inTune i2 i2020

Upgrade your horsepower in minutes with our inTune i2 Power Programmer. It is easy to install and plugs right into your vehicle’s OBD-II port. Our tuning team maps out all of the i2’s tunes for your exact car or truck. Our goal is to make the biggest power gain, with the largest choice of performance options. The i2 features the latest electronics too; find out more about what makes the i2 the best handheld tuner available today!


Trinity T1000

The Trinity is one of the most advanced devices of its kind, featuring full Re-flash/Reprogram capability, Advanced Data Acquisition, and Customizable Gauges– all displayed and controlled on a color touch screen and housed in a slim, custom-styled, easy to use device. Trinity allows users to tune their car or truck to add additional horsepower, torque, improve throttle response, and modify existing vehicle functions.