mountune Fiesta ST MRX Turbocharger Upgrade

2364-TU-AA

Application

Fiesta ST 2014-2019

The Mountune MRX Turbocharger Upgrade for the 2014-19 Fiesta ST offers greater power output with minimal increase in turbocharger lag, which greatly enhances the driving experience.

Tested and validated over thousands of miles for durability and performance, the Mountune MRX Turbocharger Upgrade includes all required hardware, fittings and hoses along with engine calibration for a range of power levels and fuel types. This upgrade does not require any fuel system upgrades and is compatible with both 91, 93, and 94 octane fuel. The Fiesta MRX Turbocharger Upgrade has been developed for those that desire a fully engineered upgrade that provides an optimized power band. Unlike other upgrades that deliver just peak or high RPM power, the Mountune MRX Turbocharger offers performance throughout the entire power band ensuring a very responsive and drivable car. The Mountune MRX Turbocharger Upgrade is designed for those that are looking for well balanced yet extremely powerful performance derived from years of developing race winning Ford 4 cylinder turbocharged engines.

The Fiesta ST MRX Turbocharger Upgrade is engineered around a genuine Garrett GT2554R core that features a custom engineered 11-blade billet compressor wheel and matching 3" inlet ant-surge compressor housing for incredible response and power. Developed as a complete system with everything available from one source ensures the performance and quality you’ve come to expect from mountune.

Note: It is highly recommended to use our special locking fastener kit during installation PN 2364-LFK-AA

Note: This product is engineered for a North American specification vehicle for use in North America. We cannot fully support this product outside of the region it was designed for.

Turbocharger Features

Dual Row Ball Bearings - lowest friction and fastest spool/response
Water Cooled Center Section
Double seals on both turbine and compressor end for extreme durability and resistance to any oil seepage
Cast Stainless Steel exhaust adapter

Kit Features

mountune Stainless Steel V-Band Conversion
Preformed coolant hard lines ensure trouble free installation and performance
Includes mountune base ECU calibration (Cobb Accessport required) with multiple switchable slots for optional power and fuel requirements - Complete custom ECU tuning is available at an additional cost.
Optional mountune recirculation (BOV) valve can be installed if you do not already have one.
Pre-installed mountune Billet Wastegate Actuator- No additional cost.
Turn-Key solution. No need to source additional parts or go elsewhere for expensive dyno testing. This is a complete upgrade including a base tune/calibration. Additional tuning support is available at additional cost.

What hardware is included

1x mountune Stainless Steel V-Band Turbo mount
1x mountune Aluminum lower charge pipe
1x mountune / Garrett GT2554R with custom 11-blade compressor wheel
1x mountune Silicone Compressor Inlet Hose Assembly
2x Stainless Steel Hose Clamp – SAE #52
2x Stainless Steel Hose Clamp – SAE #44
1x Turbocharger Oil Inlet Hose Assembly
1x Adapter Fitting, M12x1.5 to -4
1x Crush Washer, M12
1x Adapter Fitting, M14x1.5 to -6
1x Crush Washer, M14
1x Water Pipe #1, Block to Turbo
1x Water Pipe #2, Water Neck to Turbo
1x Tube Adapter, Turbo Oil Drain
1x Gasket, Oil Return Tube
1x mountune 5-Ply Compressor Outlet Silicone Elbow Hose
1 x 65" Vacuum Hose, Silicone 4mm
2x Screw, M8 x 1.25 x 16 Socket Head
2x Nut, M6 x 1.0 Flanged Nylon Locknut
2x Nut, M6 x 1.0 Flanged, Serrated
2x Screw, M6 x 1.0 x 25 Socket Head

What you need

Upgraded intercooler such as mountune PN 2364 IC BA1
Cobb Accessport - Mountune supplies a base tune for your Accessport
mountune Intake or suitable option PN 2364-CAIS-AA
Upgraded High Flow Down Pipe
Replacement Blow Off Valve such as our PN 2364-BOV-KIT

Tuning Options

Base Tune - No additional charge. One calibration with no adjustments necessary.
Custom Tuning - +$350.00. 45 day time limit from the date the first tune is sent. During that time you will capture datalogs and receive optimized tunes until the car is dialed in.

Disclaimer

As with any upgrade of this type, additional strain is placed upon your engine and drive train. While we have thoroughly tested and validated this upgrade without issues, additional power, cylinder pressure and temperatures may cause engine damage and/or complete failure. It is advised that you upgrade your internal engine components and drive train to support the additional power and performance. For motorsport and track use, it is strongly recommended to upgrade your engine internal components to avoid catastrophic engine failure. This product is for race and track use only.

WARNING:

This part has been designed and is intended for off-highway application only. Installation of this part on a vehicle that is driven on public roads may violate U.S. and Canadian laws and regulations relating to emission requirements and motor vehicle safety standards. Click Here for Emissions compliance information.

mountune MRX Turbocharger Upgrade Q &A

1. Does the stock clutch handle the power?

The turbo upgrade was tested on a car with the standard clutch and there were no signs of

slipping during the 15,000 mile test cycle. Driving style and use would also have an effect on

the clutch life and performance.

2. Will the stock transmission be OK with the turbo kit?

The turbo upgrade was tested on a car with the standard transmission and there were no

signs of any issues during the 15,000 mile test cycle. Driving style and use would also have

an effect on the life of the transmission.

3. Can I use my original or other aftermarket intake?

The mountune MRX Turbocharger Upgrade was designed and engineered to work with the

mountune high flow intake. However other intake options may be compatible with some slight

modifications to the intake hose assembly or the intake itself.

4. Does the mountune MRX Turbocharger Upgrade have a C.A.R.B. EO?

The mountune MRX Turbocharger upgrade does not have a C.A.R.B. EO and therefore is for

motorsport use only.

5. Can I use my existing downpipe or another manufactures downpipe?

The mountune MRX Turbo upgrade is compatible with the original downpipe therefore
any high flow downpipe that fits the stock turbo will be also work with this upgrade.

6. Is custom tuning available?

You bet! We have several options for tuning, please contact us for details.

7. Will this turbo kit void my warranty?

Due to the nature of motorsport and racing product usage the mountune MRX turbo upgrade is not covered by the original factory Ford warranty.