USE COUPON CODE: SUMMER26

*FREE SHIPPING OVER 300

Your cart

Your cart is empty

Scion xA Engine Performance Parts

Upgrade Your 2004-2006 Scion xA Engine Performance

Our collection of engine performance parts for the 2004-2006 Scion xA is built for your daily driver or weekend project. Whether you're looking to increase horsepower, improve throttle response, or enhance overall reliability, you'll find curated components designed for precise fitment and lasting performance. From high-flow intakes and filters to ignition upgrades and tuning support, these parts help unlock your vehicle’s full potential.

Designed specifically for your xA, these upgrades deliver noticeable improvements in responsiveness and efficiency. You can expect smoother acceleration, better fuel economy, and a more engaging driving experience. Our selection emphasizes quality brands and trusted aftermarket solutions that meet the demands of passionate owners and enthusiasts alike.

Explore our range of engine upgrades and tune your xA for better power, response, and dependability. Shop engine performance parts for your xA at FastScions.

SELECT YOUR VEHICLE

566 Results

DEI Onyx Series Turbo Blanket T4: Fits Most Models
DEI Onyx Series Turbo Blanket T4: Fits Most Models
Sale

DEI Onyx Series Turbo Blanket T4: Fits Most Models

DEI

Regular price $439.61 $325.56 26% off

Unit price
per 

DEI Onyx Series Turbo Blanket T4: Fits Most Scion xA/xB/tC/xD/iQ/FR-S/BRZ/86/GR Supra/GR86/GR Corolla Models
DEI Onyx Series Turbo Blanket T4: Fits Most Scion xA/xB/tC/xD/iQ/FR-S/BRZ/86/GR Supra/GR86/GR Corolla Models
Sale
DEI Pipe Shield: Fits Most Models
DEI Pipe Shield: Fits Most Models
Sale

DEI Pipe Shield: Fits Most Models

DEI

Regular price $78.99 $72.41 8% off

Unit price
per 

DEI Protect-A-Boot 8 Inches Long (8 Pieces)
DEI Protect-A-Boot 8 Inches Long (8 Pieces)
Sale

DEI Protect-A-Boot 8 Inches Long (8 Pieces)

DEI

Regular price $122.27 $102.30 16% off

Unit price
per 

DEI Protect-A-Boot Titanium 6 Inches Long X 8 Pieces: Fits Most Models
DEI Protect-A-Boot Titanium 6 Inches Long X 8 Pieces: Fits Most Models
Sale

DEI Protect-A-Boot Titanium 6 Inches Long X 8 Pieces: Fits Most Models

DEI

Regular price $105.42 $91.96 13% off

Unit price
per 

DEI Protect-A-Boot: Fits Most Models 6 Inches Long X 8 Pieces
DEI Protect-A-Boot: Fits Most Models 6 Inches Long X 8 Pieces
Sale

DEI Protect-A-Boot: Fits Most Models 6 Inches Long X 8 Pieces

DEI

Regular price $84.54 $76.31 10% off

Unit price
per 

DEI Turbo Blanket Titanium T3: Fits Most Models
DEI Turbo Blanket Titanium T3: Fits Most Models
Sale

DEI Turbo Blanket Titanium T3: Fits Most Models

DEI

Regular price $285.97 $217.70 24% off

Unit price
per 

DEI Turbo Blanket Titanium T3: Fits Most Scion xA/xB/tC/xD/iQ/FR-S/BRZ/86/GR Supra/GR86/GR Corolla Models
DEI Turbo Blanket Titanium T3: Fits Most Scion xA/xB/tC/xD/iQ/FR-S/BRZ/86/GR Supra/GR86/GR Corolla Models
Sale
DEI Turbo Blanket Titanium T4: Fits Most Models
DEI Turbo Blanket Titanium T4: Fits Most Models
Sale

DEI Turbo Blanket Titanium T4: Fits Most Models

DEI

Regular price $338.52 $254.62 25% off

Unit price
per 

DEI Turbo Blanket Titanium Turbo Blanket: Fits Most Models
DEI Turbo Blanket Titanium Turbo Blanket: Fits Most Models
Sale

DEI Turbo Blanket Titanium Turbo Blanket: Fits Most Models

DEI

Regular price $312.85 $237.24 24% off

Unit price
per 

DEI Wastegate Heat Shield Onyx Series: Fits Most Models
DEI Wastegate Heat Shield Onyx Series: Fits Most Models
Sale

DEI Wastegate Heat Shield Onyx Series: Fits Most Models

DEI

Regular price $198.05 $155.99 21% off

Unit price
per 

DEI Wastegate Heat Shield: Fits Most Models
DEI Wastegate Heat Shield: Fits Most Models
Sale

DEI Wastegate Heat Shield: Fits Most Models

DEI

Regular price $172.16 $137.81 20% off

Unit price
per 

Fuel Injector Clinic 1000cc Fuel Injectors: Scion tC / xA / xB / xB2
Fuel Injector Clinic 1000cc Fuel Injectors: Scion tC / xA / xB / xB2
Sale

Fuel Injector Clinic 1000cc Fuel Injectors: Scion tC / xA / xB / xB2

Fuel Injector Clinic

Regular price from $457.00 Up to 13% off

Unit price
per 

Fuel Injector Clinic 1200cc Fuel Injectors: Scion tC / xA / xB / xB2
Fuel Injector Clinic 1200cc Fuel Injectors: Scion tC / xA / xB / xB2
Sale

Fuel Injector Clinic 1200cc Fuel Injectors: Scion tC / xA / xB / xB2

Fuel Injector Clinic

Regular price from $567.00 Up to 13% off

Unit price
per 

Fuel Injector Clinic 1440cc Fuel Injectors: Scion tC / xA / xB / xB2
Fuel Injector Clinic 1440cc Fuel Injectors: Scion tC / xA / xB / xB2
Sale

Fuel Injector Clinic 1440cc Fuel Injectors: Scion tC / xA / xB / xB2

Fuel Injector Clinic

Regular price from $819.00 Up to 13% off

Unit price
per 

Fuel Injector Clinic 1650cc Fuel Injectors: Scion tC / xA / xB / xB2
Sale

Fuel Injector Clinic 1650cc Fuel Injectors: Scion tC / xA / xB / xB2

Fuel Injector Clinic

Regular price from $914.00 Up to 13% off

Unit price
per 

Upgrade Your 2004-2006 Scion xA with Performance Engine Parts for Enhanced Power and Reliability

Our collection of engine performance parts for the 2004-2006 Scion xA is designed to help you unlock your vehicle’s full potential. Whether you're aiming for increased horsepower, improved throttle response, or greater dependability, these curated components deliver precise fitment and lasting performance. Perfect for daily drivers or weekend enthusiasts, these upgrades elevate your driving experience.

What are the benefits of engine performance parts for the Scion xA?

Upgrading your engine components can lead to noticeable improvements in acceleration, responsiveness, and fuel efficiency. High-quality parts such as intake systems, filters, and ignition upgrades optimize airflow and combustion, translating to smoother power delivery. These enhancements not only boost performance but also contribute to the overall reliability of your vehicle over time.

  • Enhanced throttle response for quicker acceleration
  • Increased horsepower and torque potential
  • Better fuel economy with efficient combustion
  • Long-lasting components built for daily use

How do I choose the right engine upgrades for my Scion xA?

Selecting the appropriate performance parts depends on your driving goals and the condition of your vehicle. Consider your primary use—whether daily commuting or weekend tuning—and match parts accordingly. Compatibility, quality, and brand reputation are key factors to ensure reliable gains and seamless installation.

What supporting modifications should I consider for optimal results?

To maximize the benefits of your engine upgrades, consider supporting mods such as a high-flow intake, performance exhaust, and ECU tuning. Upgrading your ignition system and ensuring proper fueling can also improve overall engine response. Shop the collection at FastScions to find all the essential parts needed for a comprehensive upgrade that enhances power, response, and dependability.

SELECT YOUR VEHICLE