Home > Fiesta Performance

mountune Ford Fiesta ST Performance Upgrades

We don’t just sell Ford Fiesta ST performance parts, we also make them. Mountune Fiesta advanced components are designed and built in-house using our ample experience with building and racing Ford Ecoboost engines. If you want to start small, we have Ford Fiesta upgrade replacements that make it easy to bolt on performance. We make tuning maps for the COBB Accessport to go with what we sell, so you can get the most from these upgrades right out of the gate.

We firmly believe that serious tuning, demands performance parts drivers can rely on under any circumstances. mountune Fiesta ST components are created with this principle in mind. From basic hose clamps and license plate frames to critical brake pads, oil filters and induction upgrades, everything you'll find here is specifically made to help your Fiesta evolve into something greater.

Sort By:
Page of 1
mountune High Performance 1.6L Long Block mountune MRX High Performance 1.6L Fiesta ST Long Block
Price:$8,869.00
Sale price:$7,804.72
Savings: $1,064.28

(1)
mountune High Performance 1.6L Long Block mountune High Performance 1.6L Fiesta ST Long Block
Price:$6,850.00
Sale price:$6,028.00
Savings: $822.00
mountune MRX Cylinder Head 1.6L EcoBoost mountune MRX Cylinder Head w Camshafts - 1.6L EcoBoost
Price:$4,199.00
Sale price:$3,695.12
Savings: $503.88
mountune MRX 1.6L EcoBoost Short Block Engine Ford Fiesta ST mountune MRX 1.6L EcoBoost Short Block Engine Fiesta ST
Price:$3,250.00
Sale price:$2,860.00
Savings: $390.00
mountune 1.6L EcoBoost Short Block Engine Ford Fiesta ST mountune 1.6L EcoBoost Short Block Engine Fiesta ST
Price:$2,850.00
Sale price:$2,508.00
Savings: $342.00

(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 B7 Package
Price:$2,199.00
Sale price:$1,799.00
Savings: $400.00
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 B5 Package
Price:$1,699.00
Sale price:$1,499.00
Savings: $200.00
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)
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
XClutch Fiesta ST - Organic Disc XClutch Fiesta ST - Organic Disc
Price:$1,295.00
Sale price:$1,191.40
Savings: $103.60
mountune Forged 1.6L EcoBoost Engine Component Kit mountune Forged 1.6L EcoBoost Engine Component Kit
Price:$1,298.00
Sale price:$1,099.00
Savings: $199.00

(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 B3 Package
Price:$1,099.00
Sale price:$999.00
Savings: $100.00
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 Induction System - Fiesta ST 2014-2015 mountune Induction System - Fiesta ST 2014-2015
Price:$1,445.00
Sale price:$969.00
Savings: $476.00
Quaife Fiesta ST Helical ATB Differential 2014-2019 Quaife ATB Differential, Fiesta ST 2014-2019
Price:$1,049.00
Sale price:$923.00
Savings: $126.00

(5)
mountune Clubsport Suspension Upgrade - Fiesta ST 2013-2019 mountune Clubsport Suspension Upgrade - Fiesta ST
Price:$899.00
Sale price:$869.00
Savings: $30.00

(4)
mountune complete Intercooler Upgrade Fiesta ST 2014-2019 mountune complete Intercooler Upgrade Fiesta ST 2014-2019
Price:$899.00
Sale price:$799.00
Savings: $100.00

(9)
mountune MP215 Performance Upgrade Fiesta ST 2013-16 mountune MP215 Performance Upgrade Fiesta ST 2013-2019
Price:$999.00
Sale price:$729.00
Savings: $270.00

(43)
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 B1 Package
Price:$599.00
Sale price:$589.00
Savings: $10.00
Ford Focus ST & Fiesta ST COBB V3 Accessport ECU Flasher & Calibration COBB Accessport V3 ECU Flasher - Ford Focus ST / Fiesta ST
Price:$550.00
Sale price:$495.00
Savings: $55.00

(125)
mountune Triple Pass Radiator Upgrade, Fiesta ST mountune Triple Pass Radiator Upgrade, Fiesta ST
Price:$559.00
Sale price:$475.00
Savings: $84.00

(25)
mountune Fast Road Brake Upgrade Package Fiesta ST mountune Fast Road Brake Upgrade Package - 2014-2019 Fiesta ST
Price:$484.92
Sale price:$429.00
Savings: $55.92
mountune Intercooler Upgrade (black) Fiesta ST 2014-2019 mountune Intercooler Upgrade Fiesta ST 2014-2019
Price:$599.00
Sale price:$419.00
Savings: $180.00

(5)
1.6L EcoBoost Engine Gasket Set 1.6L EcoBoost Engine Gasket Set
Price:$389.00
Sale price:$369.00
Savings: $20.00
mountune F/R Brake Pad Set, Fiesta ST 13-19 Track mountune Track Brake Pad Set - F/R - Fiesta ST
Price:$298.00
Sale price:$253.30
Savings: $44.70
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

(14)
mountune F/R Brake Pad Set, Fiesta ST 13-19 Street mountune Street Brake Pad Set - F/R - Fiesta ST
Price:$198.00
Sale price:$168.30
Savings: $29.70

(2)
mountune High Flow Induction Hose - Fiesta ST 2016-2019 mountune High Flow Induction Hose - Fiesta ST 2016-2019
Price:$159.00
Sale price:$139.00
Savings: $20.00

(18)
mountune Quick Shift - Fiesta ST 2014-2017 mountune Quick Shift - Fiesta ST
Price:$159.00
Sale price:$139.00
Savings: $20.00

(71)
1.6L EcoBoost Oil Control System Fiesta ST 1.6L EcoBoost Oil Control System Fiesta ST
Price:$159.00
Sale price:$119.25
Savings: $39.75

(2)
StopTech Ford Fiesta ST Front Right Slotted Brake Rotor StopTech Ford Fiesta ST Front Right Slotted Brake Rotor
Price:$142.79
Sale price:$109.00
Savings: $33.79

(1)
StopTech Ford Fiesta ST Front Left Slotted Brake Rotor StopTech Ford Fiesta ST Front Left Slotted Brake Rotor
Price:$142.79
Sale price:$109.00
Savings: $33.79

(2)
StopTech Ford Fiesta ST Rear Right Slotted Brake Rotor StopTech Ford Fiesta ST Rear Right Slotted Brake Rotor
Price:$105.00
Sale price:$81.00
Savings: $24.00

(2)
StopTech Ford Fiesta ST Rear Left Slotted Brake Rotor StopTech Ford Fiesta ST Rear Left Slotted Brake Rotor
Price:$105.00
Sale price:$81.00
Savings: $24.00

(2)
mountune Gearknob mountune Gearknob
Price:$69.00

(58)
   
 

mountune Ford Fiesta ST performance parts are the result of years of innovative engineering and close cooperation with Ford. Not a single one of our Fiesta ST performance upgrades leaves the factory without passing stringent quality control testing, so even our cosmetic components are proven to perform. We also offer a range of consumable items and pro hardware such as filters, spark plugs, cleaning tools, recharge kits and ECU calibrators, so you can count on optimal performance no matter what kind of Ford Fiesta tuning parts you install. Learn more by clicking a listing, or ask a mountune expert for tips and pointers.

If you’re looking for Fiesta car parts for performance upgrades that go beyond simple bolt-ons, check out our selection of engine components. We have the forged pistons, high lift cams and strengthened blocks you need to make big power. Want the handling and braking of your Fiesta to match its straight line performance? We also carry high performance suspension, transmission and brake components to help you keep your car under control.