Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Accessories

Accessories

Accessories

Your cart

Loading...

Estimated total

$0.00 USD

Taxes, Discounts and shipping calculated at checkout
  • HOME
  • PRODUCTS
  • SHOP BY MODEL
  • ABOUT
  • CONTACT
  • DEALER PORTAL
Log in
    Fi Performance
    • HOME
    • PRODUCTS
    • SHOP BY MODEL
    • ABOUT
    • CONTACT
    • DEALER PORTAL
    Log in Cart

    Filter:

    Availability
    0 selected
    Reset
    Availability
    Price
    The highest price is $12,000.00 Reset
    $
    $
    Remove all

    99 products

    Filter and sort Filter

    Filter and sort

    Filter

    99 products

    Availability
    Clear
    Price

    The highest price is $12,000.00

    $
    $
    Clear
    Remove all
    Remove all

    99 products

    • Flex fuel kit 08-21 STI

      Flex fuel kit 08-21 STI

      Flex fuel kit 08-21 STI

      Regular price $320.00
      Regular price Sale price $320.00
      Unit price /  per 
    • Fluidampr Subaru EJ Series Damper - Smooth Out Your Engine, Boost Performance

      Fluidampr Subaru EJ Series Damper - Smooth Out Your Engine, Boost Performance

      Fluidampr Subaru EJ Series Damper - Smooth Out Your Engine, Boost Performance

      Regular price $479.00
      Regular price Sale price $479.00
      Unit price /  per 
    • FPR6 Fuel Pressure Regulator (-6AN) - Customize Your Fuel System & Style

      FPR6 Fuel Pressure Regulator (-6AN) - Customize Your Fuel System & Style

      FPR6 Fuel Pressure Regulator (-6AN) - Customize Your Fuel System & Style

      Regular price $199.94
      Regular price Sale price $199.94
      Unit price /  per 
    • Gates Timing Belt Kit - Essential Maintenance for Your Subaru WRX, STI, and More

      Gates Timing Belt Kit - Essential Maintenance for Your Subaru WRX, STI, and More

      Gates Timing Belt Kit - Essential Maintenance for Your Subaru WRX, STI, and More

      Regular price $250.00
      Regular price Sale price $250.00
      Unit price /  per 
    • Gates Timing Belt Kit with Water Pump for Subaru WRX/STI/Legacy GT/Outback XT/Baja/Forester XT

      Gates Timing Belt Kit with Water Pump for Subaru WRX/STI/Legacy GT/Outback XT/Baja/Forester XT

      Gates Timing Belt Kit with Water Pump for Subaru WRX/STI/Legacy GT/Outback XT/Baja/Forester XT

      Regular price $345.00
      Regular price Sale price $345.00
      Unit price /  per 
    • GSC Power-Division Viton Valve Stem Seals - Upgrade Your Subaru WRX/STI

      GSC Power-Division Viton Valve Stem Seals - Upgrade Your Subaru WRX/STI

      GSC Power-Division Viton Valve Stem Seals - Upgrade Your Subaru WRX/STI

      Regular price $16.00
      Regular price Sale price $16.00
      Unit price /  per 

    • Intake AVCS rebuild service -

      Intake AVCS rebuild service -

      Regular price $175.00
      Regular price Sale price $175.00
      Unit price /  per 
    • JE Pro Seal Head Gasket - Superior Strength for Your Subaru EJ25/EJ257 (100mm, 0.039in)

      JE Pro Seal Head Gasket - Superior Strength for Your Subaru EJ25/EJ257 (100mm, 0.039in)

      JE Pro Seal Head Gasket - Superior Strength for Your Subaru EJ25/EJ257 (100mm, 0.039in)

      Regular price $76.49
      Regular price Sale price $76.49
      Unit price /  per 
    • King XPG Rod Bearings - Upgrade Your Subaru WRX/STI/FXT/LGT Engine (52mm)

      King XPG Rod Bearings - Upgrade Your Subaru WRX/STI/FXT/LGT Engine (52mm)

      King XPG Rod Bearings - Upgrade Your Subaru WRX/STI/FXT/LGT Engine (52mm)

      Regular price $62.42
      Regular price Sale price $62.42
      Unit price /  per 
    • Koyo VH091662 Aluminum Radiator - Perfect Upgrade for Subaru WRX/STI (2008-2021) & Legacy GT (2005-2012, Manual)

      Koyo VH091662 Aluminum Radiator - Perfect Upgrade for Subaru WRX/STI (2008-2021) & Legacy GT (2005-2012, Manual)

      Koyo VH091662 Aluminum Radiator - Perfect Upgrade for Subaru WRX/STI (2008-2021) & Legacy GT (2005-2012, Manual)

      Regular price $360.00
      Regular price Sale price $360.00
      Unit price /  per 
    • Liqui Moly Molygen New Generation 5W40 - Upgrade Your Engine Performance & Protection

      Liqui Moly Molygen New Generation 5W40 - Upgrade Your Engine Performance & Protection

      Liqui Moly Molygen New Generation 5W40 - Upgrade Your Engine Performance & Protection

      Regular price $55.00
      Regular price Sale price $55.00
      Unit price /  per 
    • Manley H-Tuff Connecting Rods - Fortify Your Subaru EJ20/EJ25 Engine

      Manley H-Tuff Connecting Rods - Fortify Your Subaru EJ20/EJ25 Engine

      Manley H-Tuff Connecting Rods - Fortify Your Subaru EJ20/EJ25 Engine

      Regular price $550.00
      Regular price Sale price $550.00
      Unit price /  per 
    • Manley Platinum Series Pistons (EJ25, 8.5:1) - Lighter, Stronger, Faster for Your Subaru

      Manley Platinum Series Pistons (EJ25, 8.5:1) - Lighter, Stronger, Faster for Your Subaru

      Manley Platinum Series Pistons (EJ25, 8.5:1) - Lighter, Stronger, Faster for Your Subaru

      Regular price $678.00
      Regular price Sale price $678.00
      Unit price /  per 
    • Manley Steel H Beam Connecting Rods - Affordable Strength for Your Subaru Build

      Manley Steel H Beam Connecting Rods - Affordable Strength for Your Subaru Build

      Manley Steel H Beam Connecting Rods - Affordable Strength for Your Subaru Build

      Regular price $410.00
      Regular price Sale price $410.00
      Unit price /  per 
    • OEM 11mm Subaru Oil Pump - Replacement for Increased Flow and Reliability

      OEM 11mm Subaru Oil Pump - Replacement for Increased Flow and Reliability

      OEM 11mm Subaru Oil Pump - Replacement for Increased Flow and Reliability

      Regular price $175.00
      Regular price Sale price $175.00
      Unit price /  per 
    • OEM-PLUS EJ25 Short Block - The Ideal Foundation for Your Subaru Build

      OEM-PLUS EJ25 Short Block - The Ideal Foundation for Your Subaru Build

      OEM-PLUS EJ25 Short Block - The Ideal Foundation for Your Subaru Build

      Regular price $3,299.00
      Regular price Sale price $3,299.00
      Unit price /  per 
    • PLM 3" Non-Resonated Midpipe - Unleash Power & Sound on Your WRX STI (2015-2021)

      PLM 3" Non-Resonated Midpipe - Unleash Power & Sound on Your WRX STI (2015-2021)

      PLM 3" Non-Resonated Midpipe - Unleash Power & Sound on Your WRX STI (2015-2021)

      Regular price $595.00
      Regular price Sale price $595.00
      Unit price /  per 
    • PLM Equal Length Header - Smoother Power & Torque for Your WRX/STI EJ25

      PLM Equal Length Header - Smoother Power & Torque for Your WRX/STI EJ25

      PLM Equal Length Header - Smoother Power & Torque for Your WRX/STI EJ25

      Regular price $600.00
      Regular price Sale price $600.00
      Unit price /  per 
    • PLM Equal Length Header - Smoother Power & Torque for Your WRX/STI EJ25 -

      PLM Equal Length Header - Smoother Power & Torque for Your WRX/STI EJ25 -

      PLM Equal Length Header - Smoother Power & Torque for Your WRX/STI EJ25 -

      Regular price $549.00
      Regular price Sale price $549.00
      Unit price /  per 
    • PLM License Plate Relocate Kit - Enhance Your 2018+ WRX Style & Functionality

      PLM License Plate Relocate Kit - Enhance Your 2018+ WRX Style & Functionality

      PLM License Plate Relocate Kit - Enhance Your 2018+ WRX Style & Functionality

      Regular price $49.99
      Regular price Sale price $49.99
      Unit price /  per 
    • PLM V2 Axle-Back Muffler Deletes - Raw Power for Your WRX/STI (2015-2021)

      PLM V2 Axle-Back Muffler Deletes - Raw Power for Your WRX/STI (2015-2021)

      PLM V2 Axle-Back Muffler Deletes - Raw Power for Your WRX/STI (2015-2021)

      Regular price $400.00
      Regular price Sale price $400.00
      Unit price /  per 
    • R.I.P. STI T-Shirt - Pay Tribute to a Subaru Icon

      R.I.P. STI T-Shirt - Pay Tribute to a Subaru Icon

      R.I.P. STI T-Shirt - Pay Tribute to a Subaru Icon

      Regular price From $25.00
      Regular price Sale price From $25.00
      Unit price /  per 
    • Saenz Performance Series I Beam Connecting Rods – The Strong Foundation for Your Subaru EJ25

      Saenz Performance Series I Beam Connecting Rods – The Strong Foundation for Your Subaru EJ25

      Saenz Performance Series I Beam Connecting Rods – The Strong Foundation for Your Subaru EJ25

      Regular price $836.00
      Regular price Sale price $836.00
      Unit price /  per 
    • Saenz S-Series H Beam Connecting Rods – Built for High-Performance Subaru EJ25 Builds

      Saenz S-Series H Beam Connecting Rods – Built for High-Performance Subaru EJ25 Builds

      Saenz S-Series H Beam Connecting Rods – Built for High-Performance Subaru EJ25 Builds

      Regular price $608.00
      Regular price Sale price $608.00
      Unit price /  per 
    • 1
    • 2
    • 3
    • 4
    • 5

    Quicklinks

    • HOME
    • PRODUCTS
    • SHOP BY MODEL
    • ABOUT
    • CONTACT
    • DEALER PORTAL

    Your Car. Faster. – FI Performance

    Our mission is to help car guys build the rides they dream of. We've got the high-performance parts, the know-how, and the passion to turn your car into a beast.

    The FI Performance Difference

    FI Performance is your source for high-quality performance parts and expert build services. We specialize in extracting maximum power and handling from your car!

    Payment methods
    • American Express
    • Apple Pay
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa
    © 2025, Fi Performance Powered by Shopify
    • Choosing a selection results in a full page refresh.
    • Opens in a new window.