Home > Fiesta Performance > Power / Performance

Fiesta ST Power & Performance Upgrades

mountune offers a wide range of upgrades that will transform your Fiesta ST. Optimized ECU calibrations by mountune unlock the hidden power and increase performance to new levels.

Each upgrade has been designed and engineered to provide maximum reliable power while maintaining reliability. Our products are the results of over 35 years of Ford performance knowledge and motorsport DNA.

Sort By:
Page of 1
mountune Fiesta ST MRX Turbocharger Upgrade mountune Fiesta ST MRX Turbocharger Upgrade
Price:$2,100.00
Sale price:$1,850.00
Savings: $250.00

(6)
mountune Induction Upgrade Kit, Fiesta ST 2014-2018 mountune Induction Upgrade Kit, Fiesta ST 2014-2019
Price:$299.00
Sale price:$249.00
Savings: $50.00

(13)
mountune Camshaft Kit, Ford 1.6L EcoBoost - V1 mountune Camshaft Kit - Ford 1.6L EcoBoost - V1
Price:$1,398.00
Sale price:$1,299.00
Savings: $99.00
mountune Camshaft Kit, Ford 1.6L EcoBoost - V2 mountune Camshaft Kit - Ford 1.6L EcoBoost - V2
Price:$1,398.00
Sale price:$1,299.00
Savings: $99.00

(1)
Fiesta ST 2014-2018 COBB V3 Accessport ECU Flasher, High Flow Air Filter, mountune Calibration & Roll Restrictor Package COBB Accessport V3 ECU Flasher Fiesta ST 2014-2019 FB1 Package
Price:$799.00
Sale price:$689.00
Savings: $110.00

(26)
COBB Accessport V3 ECU Flasher Fiesta ST 2014-2017 FB2 Package COBB Accessport V3 ECU Flasher Fiesta ST 2014-2019 FB2 Package
Price:$1,343.00
Sale price:$1,079.00
Savings: $264.00

(3)
COBB Accessport V3 ECU Flasher Fiesta ST 2014-2018 FB3 Package COBB Accessport V3 ECU Flasher Fiesta ST 2014-2019 FB3 Package
Price:$1,597.00
Sale price:$1,249.00
Savings: $348.00

(5)
mountune Triple Pass Radiator Upgrade, Fiesta ST mountune Triple Pass Radiator Upgrade, Fiesta ST
Price:$559.00
Sale price:$475.00
Savings: $84.00

(21)
mountune Induction System - Fiesta ST 2014-2015 mountune Induction System - Fiesta ST 2014-2015
Price:$1,445.00
Sale price:$969.00
Savings: $476.00
mountune Induction System - Fiesta ST 2016-2019 mountune Induction System - Fiesta ST 2016-2019
Price:$1,475.00
Sale price:$999.00
Savings: $476.00
mountune MRX Cylinder Head 1.6L EcoBoost mountune MRX Cylinder Head w Camshafts - 1.6L EcoBoost
Price:$4,199.00
Sale price:$3,999.00
Savings: $200.00
XClutch Fiesta ST - Organic Disc XClutch Fiesta ST - Organic Disc
Price:$1,295.00
Sale price:$1,191.40
Savings: $103.60
   
 

FAQ's

How can I make my Fiesta faster?

In order to see a noticeable increase in speed and power, you’ll want to experiment with adding several different modifications rather than just adding one and calling it done. Reducing weight and air restriction are two ways to increase your Fiesta’s power.

What are some mountune Fiesta ST/RS upgrades?

mountune offers a wide range of upgrades for the Ford Fiesta, like COBB Accessport ECU flashers, induction kits, camshaft kits, intercoolers and more. You’ll also find complete upgrade kits that include all of the necessary upgrade components to see a noticeable increase in power.