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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.

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566 Results

Torque Solution Wastegate Inlet Flange 38mm: Fits Most Models
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Torque Solution Wastegate Inlet Flange 38mm: Fits Most Models

Torque Solution

$25.54

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Torque Solution Wastegate Outlet Flange 38mm: Fits Most Models

Torque Solution Wastegate Outlet Flange 38mm: Fits Most Models

Torque Solution

$25.54

Unit price
per 

Turbosmart BlackBox Electronic Wastegate Controller: Fits Most Models
Turbosmart BlackBox Electronic Wastegate Controller: Fits Most Models
Sale

Turbosmart BlackBox Electronic Wastegate Controller: Fits Most Models

Turbosmart

Regular price $749.99 $674.99 10% off

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Turbosmart Blow Off Valve: Fits Most Models
Turbosmart Blow Off Valve: Fits Most Models
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Turbosmart Blow Off Valve: Fits Most Models

Turbosmart

Regular price $263.99 $237.59 10% off

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Turbosmart e-Boost Street Electronic Boost Controller: Fits Most Models
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Turbosmart e-Boost Street Electronic Boost Controller: Fits Most Models

Turbosmart

Regular price $509.99 $458.99 10% off

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Turbosmart e-Boost2 Boost Controller 40psi Black Face Black Bezel 60mm: Fits Most Models
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Turbosmart e-Boost2 Boost Controller 40psi Black Face Black Bezel 60mm: Fits Most Models

Turbosmart

Regular price $734.39 $660.95 10% off

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Turbosmart eBoost2 Electronic Boost Controller: Fits Most Models w/ 4 Port Solenoid
Turbosmart eBoost2 Electronic Boost Controller: Fits Most Models w/ 4 Port Solenoid
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Turbosmart eBoost2 Electronic Boost Controller: Fits Most Models w/ 4 Port Solenoid

Turbosmart

Regular price $804.39 $723.95 10% off

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Turbosmart Electronic BoostGate Charge Air Valve 50mm External Wastegate Black: Fits Most Models
Turbosmart Electronic BoostGate Charge Air Valve 50mm External Wastegate Black: Fits Most Models
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Turbosmart Electronic BoostGate Charge Air Valve 50mm External Wastegate Black: Fits Most Models

Turbosmart

Regular price $1,591.99 $1,432.79 10% off

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Turbosmart Electronic StraightGate 76 External Wastegate: Fits Most Models
Turbosmart Electronic StraightGate 76 External Wastegate: Fits Most Models
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Turbosmart Electronic StraightGate 76 External Wastegate: Fits Most Models

Turbosmart

Regular price $2,032.99 $1,829.69 10% off

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Turbosmart Electronic StraightGate External Wastegate (50mm) Black: Fits Most Models
Turbosmart Electronic StraightGate External Wastegate (50mm) Black: Fits Most Models
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Turbosmart Electronic StraightGate External Wastegate (50mm) Black: Fits Most Models

Turbosmart

Regular price $1,639.99 $1,475.99 10% off

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Turbosmart Electronic StraightGate40 External Wastegate: Fits Most Models
Turbosmart Electronic StraightGate40 External Wastegate: Fits Most Models
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Turbosmart Electronic StraightGate40 External Wastegate: Fits Most Models

Turbosmart

Regular price $1,380.99 $1,242.89 10% off

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Turbosmart Flare Fittings 1/16 NPT To -4AN: Fits Most Models
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Turbosmart Flare Fittings 1/16 NPT To -4AN: Fits Most Models

Turbosmart

Regular price $15.99 $14.39 10% off

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Turbosmart Gen4 CompGate40 External Wastegate: 14 PSI Black
Turbosmart Gen4 CompGate40 External Wastegate: 14 PSI Black
Sale

Turbosmart Gen4 CompGate40 External Wastegate: 14 PSI Black

Turbosmart

Regular price $399.99 $359.99 10% off

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Turbosmart Gen4 CompGate40 External Wastegate: Fits Most Models 7PSI Black
Turbosmart Gen4 CompGate40 External Wastegate: Fits Most Models 7PSI Black
Sale

Turbosmart Gen4 CompGate40 External Wastegate: Fits Most Models 7PSI Black

Turbosmart

Regular price $399.99 $359.99 10% 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