Fuel System Upgrades – Mountune USA

Skip to content

Facebook
Instagram
YouTube

Welcome to our store

Get Ready For Driving Season w/ Motul Oils & Fluids

Motorsport Engines
Parts & Components
- Brakes
- Cooling
- Drivetrain
- ECU Tuning
- Engine Components
  
  Cylinder Block Parts
  Crankcase & Oil Pan Parts
  Cylinder Head Parts
  VIEW ALL
- Exhaust
- Fueling
- Ignition/Electrical
- Induction
- Mounts/Bushings
- Maintenance
- Tools
- Merchandise
- VIEW ALL
Overstock & Clearance
-
Professional Services
- Engine Machining
- Engine Build and Restoration
- Porsche Engine Machining
- Caterham Drivetrain and Engines
- Motorsport Services
  
  Motorsport Sales
- Request A Quote
- VIEW ALL
Shop By Platform
- CLASSIC:
- Lotus (Twin-Cam/Kent)
- Duratec (MZR)
- FORD:
- Fiesta ST (2012-'19)
  
  Brake Upgrades
  Drivetrain Upgrades
  Engine Upgrades
  Power Upgrades
  Suspension Upgrades
  VIEW ALL
- Focus ST (2013-'18)
  
  Brake Upgrades
  Drivetrain Upgrades
  Engine Upgrades
  Power Upgrades
  Suspension Upgrades
  VIEW ALL
- Focus RS (2016-'18)
  
  Brake Upgrades
  Drivetrain Upgrades
  Engine Upgrades
  Power Upgrades
  Suspension Upgrades
  VIEW ALL
- Bronco (2021+)
- Ranger (2019+)
- Raptor (2017-'20)
- HONDA:
- K20C1 (2017+)
Browse By Brand

Country/region

Search

Australia AUD $
Canada CAD $
United Kingdom GBP £
United States USD $

Facebook
Instagram
YouTube

Search

Item added to your cart

View cart

Fuel System Upgrades

Sort by:

4 products

Filter:

Product type (0)

Product type

Fuel Injectors (1 product)
Fuel Kits (1 product)
Fuel Pumps (2 products)

Brand (0)

Brand

Radium Engineering (1 product)
XDI (3 products)

More filters (0)

More filters

2.0L Ecoboost (1 product)
2.3L Ecoboost (1 product)
Focus RS (3 products)
Focus ST (2 products)

Availability (0)

Availability

In stock (4 products)
Out of stock (0 products)

Filter and sort Filter

Filter and sort

Filter

4 products

Product type

Fuel Injectors (1 products)
Fuel Kits (1 products)
Fuel Pumps (2 products)

Clear

Brand

Radium Engineering (1 products)
XDI (3 products)

Clear

More filters

2.0L Ecoboost (1 products)
2.3L Ecoboost (1 products)
Focus RS (3 products)
Focus ST (2 products)

Clear

Availability

In stock (4 products)
Out of stock (0 products)

Clear

Sort by:

Remove all

4 products

Radium Engineering Focus RS External Fuel Filter Kit

Radium Engineering Focus RS External Fuel Filter Kit

Vendor:
Radium Engineering

Regular price $305.00

Regular price ~~$305.00~~ Sale price $305.00
Unit price per
Xtreme-DI High Pressure Fuel Pump Upgrade - Focus RS

Xtreme-DI High Pressure Fuel Pump Upgrade - Focus RS

Vendor:
XDI

Regular price $1,980.00

Regular price Sale price $1,980.00
Unit price per
Xtreme-DI High Pressure Fuel Pump Upgrade - Focus ST

Xtreme-DI High Pressure Fuel Pump Upgrade - Focus ST

Vendor:
XDI

Regular price $1,980.00

Regular price Sale price $1,980.00
Unit price per
High Flow Direct Injection Fuel Injector Upgrade Focus RS/ST

High Flow Direct Injection Fuel Injector Upgrade Focus RS/ST

Vendor:
XDI

Regular price $2,121.00

Regular price Sale price $2,121.00
Unit price per

STAY CONNECTED.

Be the first to know about new collections and exclusive offers.

Email

INFORMATION

Shipping Policy
Return Policy
Rewards Program
Emissions Compliance
Terms & Conditions
Privacy Policy

PLATFORMS

Ford Focus RS
Ford Focus ST
Ford Fiesta ST
Ecoboost Trucks
Classic Racing
Team Motorsport

LINKS

Services
About Us
FAQs
Fitting Guides
Latest News
Careers
Technical Information

CONTACT US

1000 East Carson Street
Carson, CA 90745

Subscribe to our emails

Email

Facebook
Instagram
YouTube

© 2026, Mountune USA Powered by Shopify

Refund policy
Privacy policy
Terms of service
Cancellation policy

Choosing a selection results in a full page refresh.
Opens in a new window.

{"statementLink":"","footerHtml":"","hideMobile":false,"hideTrigger":false,"disableBgProcess":false,"language":"en","position":"right","leadColor":"#146ff8","triggerColor":"#146ff8","triggerRadius":"50%","triggerPositionX":"right","triggerPositionY":"bottom","triggerIcon":"people","triggerSize":"medium","triggerOffsetX":20,"triggerOffsetY":20,"mobile":{"triggerSize":"small","triggerPositionX":"right","triggerPositionY":"bottom","triggerOffsetX":10,"triggerOffsetY":10,"triggerRadius":"50%"}}