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mountune® Ford Fiesta ST Power 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.

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Mountune MRX High Performance 1.6L Long Block (6064-Lb-160S2) | Mountune mountune High Performance 1.6L MRX Fiesta ST Long Block
Price:$8,869.00

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Mountune High Performance 1.6L Long Block (6064-Lb-160S2) | Mountune mountune High Performance 1.6L N1 Fiesta ST Long Block
Price:$6,850.00
Mountune Mrx Cylinder Head, 1.6L Ecoboost, Fiesta St | Mountune mountune MRX Cylinder Head w Camshafts - 1.6L EcoBoost
Price:$4,199.00
Fiesta St Mrx Turbocharger Upgrade - Massive Power & Performance Gains | Mountune mountune Fiesta ST MRX Turbocharger Upgrade
Price:$2,389.00

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COBB Accessport V3 ECU Flasher Fiesta ST 2014-2019 B7 Package | Mountune Mountune B7 Package - Ford Fiesta ST (2014-2019) - Includes COBB Accessport V3
Price:$2,199.00
Sale price:$2,089.05
Savings: $109.95

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COBB Accessport V3 ECU Flasher Fiesta ST 2014-2019 B5 Package | Mountune Mountune B5 Package - Ford Fiesta ST (2014-2019) - Includes COBB Accessport V3
Price:$1,699.00
Sale price:$1,614.05
Savings: $84.95

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COBB Accessport V3 ECU Flasher Fiesta ST 2014-2019 B3 Package | Mountune Mountune B3 Package - Ford Fiesta ST (2014-2019) - Includes COBB Accessport V3
Price:$1,144.00
High Flow Exhaust, Fiesta ST - Ford Fiesta Performance Upgrade | Mountune mountune High Flow Exhaust - Fiesta ST 2014-2019
Price:$999.00

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Fiesta St Mp215 Performance Upgrade Fiesta St Performance Carb Legal | Mountune mountune MP215 Performance Upgrade Fiesta ST 2013-2019
Price:$999.00

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COBB Accessport V3 ECU Flasher Fiesta ST 2014-2019 B1 Package | Mountune Mountune B1 Package - Ford Fiesta ST (2014-2019) - Includes COBB Accessport V3
Price:$674.00

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Ford Focus ST & Fiesta ST COBB V3 Accessport ECU Flasher & Calibration COBB Accessport V3 ECU Flasher - Ford Focus ST / Fiesta ST
Price:$625.00

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Intercooler Upgrade Black Fiesta St 2014-2019 High Flow Efficient Bolt On Max Cooling | Mountune mountune Intercooler Upgrade Fiesta ST
Price:$599.00

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Mountune Fiesta St Triple Pass Radiator Upgrade | Mountune mountune Triple Pass Radiator Upgrade, Fiesta ST
Price:$559.00

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Radium Engineering Catch Can System Fiesta ST Radium Engineering Catch Can System - Fiesta ST
Price:$409.95

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Mountune Valve Spring Set (16) Single- 1.6L Ecoboost | Mountune mountune Valve Spring Set (16) Single- 1.6L EcoBoost
Price:$399.00

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Cold Air Intake Ford Fiesta St High Flow Intake Upgrade Air Box | Mountune mountune Full Induction Upgrade Kit, Fiesta ST
Price:$399.00

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Fiesta St Silicone Boost Hose Intercooler Hose + Pipe Upgrade | Mountune mountune Ultra High-Performance Silicone Boost Hose Kit - Fiesta ST
Price:$299.00

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Cold Air Intake Fiesta St 2014-18 High Flow Intake High Flow Air Box | Mountune mountune Induction Upgrade Kit, Fiesta ST 2014-2019
Price:$299.00

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Radium Engineering Crankcase Catch Can Fiesta ST Radium Engineering Crankcase Catch Can - Fiesta ST
Price:$209.95

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Radium Engineering Pcv Catch Can St 20-0377 - Ford Fiesta Performance Upgrade | Mountune Radium Engineering PCV Catch Can - Fiesta ST
Price:$209.95

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Mountune Catch Can System, Universal Mountune Catch Can, Universal Application
Price:$169.00

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Mountune High Flow Induction Hose - Fiesta St 2016-2019 | Mountune mountune High Flow Induction Hose - Fiesta ST 2016-2019
Price:$159.00

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Mountune High Flow Induction Hose - Fiesta St 2013-2015, 2364-Ih-Blk | Mountune mountune High Flow Induction Hose - Fiesta ST 2014-2015
Price:$129.00

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Ford Fiesta ST - 1.6L EcoBoost - Engine Oil Break-In Kit Ford Fiesta ST - 1.6L EcoBoost - Engine Oil Break-In Kit
Price:$73.05
Sale price:$66.45
Savings: $6.60
Ford Fiesta ST - 1.6L EcoBoost - Oil Change Kit Ford Fiesta ST - 1.6L EcoBoost - Oil Change Kit
Price:$66.99
Sale price:$61.09
Savings: $5.90
Motorcraft Spark Plug Set Sp-532 Ford Fiesta St Upgrades | Mountune Motorcraft Spark Plug Set - SP-532 Fiesta ST
Price:$33.68

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Mountune Hose Clamp Set, Fiesta St Boost Hose (2364-Bhck-Aa) | Mountune mountune Hose Clamp Set, Fiesta ST Boost Hose
Price:$25.00

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Magnetic Oil Drain Plug Fiesta St (2364-Mdp-01) - Mountune | Mountune mountune Magnetic Oil Drain Plug - Fiesta ST
Price:$24.99

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102902 Motul 2100 Eco-Lite 5w-20 MOTUL ECO-LITE 5W-20 FULL SYNTHETIC (1L)
Price:$11.80
Hose Clamp Set, Fiesta St Coolant Hose - Ford Fiesta Performance Upgrade | Mountune mountune Hose Clamp Set, Fiesta ST Coolant Hose
Price:$10.00

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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.