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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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576 Results

NGK Iridium IX Spark Plugs: Scion tC tC2 xA xB xB2
NGK Iridium IX Spark Plugs: Scion tC tC2 xA xB xB2
Sale

NGK Iridium IX Spark Plugs: Scion tC tC2 xA xB xB2

NGK

Regular price $57.00 $40.60 29% off

Unit price
per 

Tanabe Medalion Touring Exhaust System: Scion xB 2004 - 2006
Tanabe Medalion Touring Exhaust System: Scion xB 2004 - 2006
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Tanabe Medalion Touring Exhaust System: Scion xB 2004 - 2006

Tanabe

Regular price $480.00 $456.00 5% off

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per 

Weapon R Race Intake Manifold: Scion xA / xB 2004 - 2006
Sale

Weapon R Race Intake Manifold: Scion xA / xB 2004 - 2006

Weapon R

Regular price $788.00 $670.24 15% off

Unit price
per 

Weapon R Thermal Throttle Body Gasket: Scion xA  / xB 2004 - 2006
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Weapon R Thermal Throttle Body Gasket: Scion xA / xB 2004 - 2006

Weapon R

Regular price $39.00 $36.96 5% off

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per 

Weapon R Thermal Intake Manifold Gasket: Scion xA  / xB 2004 - 2006
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Weapon R Thermal Intake Manifold Gasket: Scion xA / xB 2004 - 2006

Weapon R

Regular price $90.00 $76.16 15% off

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per 

Boomslang AEM EMS-4 Plug N Play Harness: Scion xA / xB 2006
Sale

Boomslang AEM EMS-4 Plug N Play Harness: Scion xA / xB 2006

Boomslang

Regular price $795.00 $765.00 4% off

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per 

Liqui Moly High Tech Motor Oil SAE 5W40: Fits Most Models
Liqui Moly High Tech Motor Oil SAE 5W40: Fits Most Models
Sale

Liqui Moly High Tech Motor Oil SAE 5W40: Fits Most Models

LIQUI MOLY

Regular price $235.49 $201.86 14% off

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per 

ARP 1NZFE Head Stud Kit: Scion xA / xB 2004 - 2006
Sale

ARP 1NZFE Head Stud Kit: Scion xA / xB 2004 - 2006

ARP

Regular price $297.94 $293.03 2% off

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Weapon R Engine Torque Damper: Scion xA / xB 2004 - 2006
Sale

Weapon R Engine Torque Damper: Scion xA / xB 2004 - 2006

Weapon R

Regular price $299.00 $230.38 23% off

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Weapon R Secret Weapon Intake System: Scion xB 2004 - 2006
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Weapon R Secret Weapon Intake System: Scion xB 2004 - 2006

Weapon R

Regular price $359.00 $305.45 15% off

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per 

Weapon R Dragon Intake System: Scion xB 2004 - 2007
Sale

Weapon R Dragon Intake System: Scion xB 2004 - 2007

Weapon R

Regular price $295.00 $250.71 15% off

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K&N Cabin Air Filter
K&N Cabin Air Filter

K&N Cabin Air Filter: Scion xA/xB/tC/xD/iQ/iA/iM & Dodge Caliber

K&N Engineering

$47.99

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per 

Greddy Exhaust Gasket 2 Bolt 60mm: Fits Most Models
Sale

Greddy Exhaust Gasket 2 Bolt 60mm: Fits Most Models

Greddy

Regular price $7.00 $6.65 5% off

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per 

Radium Engineering Electrical Bulkhead Stud Kit: Fits Most Models
Radium Engineering Electrical Bulkhead Stud Kit: Fits Most Models
Sale

Radium Engineering Electrical Bulkhead Stud Kit: Fits Most Models

Radium Engineering

Regular price $59.95 $56.95 5% off

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ZSPEC Fender Fastener Kit M6-1.0x16mm, Titanium Grade-5, 10-Pack for Multiple Toyota, Subaru, Scion Models
ZSPEC Fender Fastener Kit M6-1.0x16mm, Titanium Grade-5, 10-Pack for Multiple Toyota, Subaru, Scion Models
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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.

SELECT YOUR VEHICLE