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Scion xB Engine Performance Parts

Upgrade Your 2004-2007 Scion xB

Designed specifically for your 2004-2007 Scion xB, our collection of engine performance parts helps you unlock better power, throttle response, and overall reliability. Whether you're aiming for increased horsepower, smoother acceleration, or improved engine efficiency, our selection includes intake systems, headers, ignition upgrades, and tuning support built to fit your vehicle perfectly. These quality parts are selected to enhance your daily driving experience and boost your vehicle’s responsiveness on the road or track.

In this collection, you'll find a curated range of performance upgrades tailored for your xB. From high-flow intakes to fuel system components, each product is engineered for precise fitment and dependable performance. Achieve a more spirited drive with parts designed to maximize your engine’s potential while maintaining the reliability you depend on. Shop engine performance upgrades for your xB at FastScions.

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DeatschWerks Performance In-Tank Regulator: Fits Most Models 4.5 BAR
K&N Engineering xA / xB Drop In Air Filter: Scion xA (2004 - 2006) & Scion xB (2004 - 2006)
K&N Engineering xA / xB Drop In Air Filter: Scion xA (2004 - 2006) & Scion xB (2004 - 2006)
Sale

K&N Engineering xA / xB Drop In Air Filter: Scion xA (2004 - 2006) & Scion xB (2004 - 2006)

K&N Engineering

Regular price $57.99 $46.39 20% off

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per 

K&N Performance Gold Oil Filter: Fits Most Scion xA/xB/tC & Toyota GR Corolla
K&N Performance Gold Oil Filter: Fits Most Scion xA/xB/tC & Toyota GR Corolla
K&N Spin-On Oil Filter: Lexus ES250 2021 - 2023 & Lexus ES300h 2019 - 2023
K&N Spin-On Oil Filter: Lexus ES250 2021 - 2023 & Lexus ES300h 2019 - 2023
DeatschWerks In-Tank Fuel Pump Set Up Kit: Scion tC 2005 - 2010
DeatschWerks In-Tank Fuel Pump Set Up Kit: Scion tC 2005 - 2010
DeatschWerks In-Tank Fuel Pump: Scion TC 2005 - 2010 2.4L w/ Install Kit
DeatschWerks In-Tank Fuel Pump: Scion TC 2005 - 2010 2.4L w/ Install Kit
Motul Gear 300 LS 75W90 Transmission Oil 20L: Fits Most Toyota & Subaru Models
Motul Gear 300 LS 75W90 Transmission Oil 20L: Fits Most Toyota & Subaru Models
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Motul Gear 300 LS 75W90 Transmission Oil 20L: Fits Most Toyota & Subaru Models

Motul

Regular price $504.16 $453.74 10% off

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per 

Boomslang AEM F/IC-6 Plug N Play Harness: Scion xA / xB 2004 - 2005
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Boomslang AEM F/IC-6 Plug N Play Harness: Scion xA / xB 2004 - 2005

Boomslang

Regular price $795.00 $765.00 4% off

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per 

Gates Performance Micro-V Power Steering Belt: Scion xA / xB 2004 - 2006
Gates Performance Micro-V Power Steering Belt: Scion xA / xB 2004 - 2006
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Gates Performance Micro-V Power Steering Belt: Scion xA / xB 2004 - 2006

Gates

Regular price $107.32 $54.85 49% off

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Boomslang AEM F/IC-6 Plug N Play Harness: Scion tC 2007 - 2010
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Boomslang AEM F/IC-6 Plug N Play Harness: Scion tC 2007 - 2010

Boomslang

Regular price $795.00 $765.00 4% off

Unit price
per 

AEM 340LPH 65mm Fuel Pump Kit w/o Mounting Hooks - Ethanol Compatible
AEM 340LPH 65mm Fuel Pump Kit w/o Mounting Hooks - Ethanol Compatible
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AEM 340LPH 65mm Fuel Pump Kit w/o Mounting Hooks - Ethanol Compatible

AEM

Regular price $168.95 $149.95 11% off

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Upgrade Your 2004-2007 Scion xB with Performance Engine Parts

Enhance your first-generation Scion xB’s engine performance with our carefully curated selection of parts designed specifically for the 2004-2007 models. Whether you're seeking increased horsepower, improved throttle response, or greater reliability, our collection provides high-quality upgrades that fit perfectly and deliver dependable results. Maximize your vehicle’s potential on the street or track with parts built for your xB.

What are the benefits of engine performance parts for your Scion xB?

Installing performance engine parts can significantly improve your xB’s power delivery, acceleration, and overall responsiveness. Upgrades like high-flow intakes, headers, and ignition components help your engine breathe better and run more efficiently. These enhancements not only boost performance but also contribute to a more engaging driving experience without sacrificing reliability.

  • Increased horsepower and torque
  • Sharper throttle response
  • Enhanced engine efficiency and reliability
  • Better sound and exhaust tone

How do I choose the right performance parts for my Scion xB?

When selecting upgrades, consider your driving goals—whether daily commuting, spirited canyon runs, or track days. Ensure compatibility with your vehicle’s year and engine specifications. Focus on quality parts from trusted brands, and think about supporting modifications like ECU tuning or exhaust systems to maximize gains. Proper installation and tuning are key to achieving optimal results.

What supporting modifications should I consider for your xB?

To fully realize the benefits of your engine upgrades, consider complementary modifications such as upgraded intake systems, exhaust headers, and performance ignition components. Proper fueling and tuning support are essential for safe, reliable power increases. Shop this collection at FastScions to find everything you need to enhance your xB’s engine performance and driving enjoyment.

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