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Scion iA Engine Performance Parts

Upgrade Your 2016-2019 Scion iA Engine Performance

Designed specifically for your 2016-2019 Scion iA, our collection of engine performance parts helps you unlock smoother acceleration, improved response, and enhanced reliability. Whether you're upgrading your intake, exhaust, or tuning your ECU, these parts are built to maximize your vehicle’s potential. Our curated selection includes high-quality filters, headers, ignition components, and tuning support, all engineered for precise fitment and long-lasting performance.

Achieve better throttle response, increased horsepower, and a more engaging driving experience with our trusted aftermarket upgrades. Perfect for daily drivers, enthusiasts, and track days alike, these parts are crafted to elevate your iA’s engine response and overall reliability. Explore our range of performance upgrades designed to meet your goals and keep your vehicle running at its best.

Shop engine performance upgrades for your iA at FastScions.

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511 Results

Mishimoto Universal Oil Catch Can: Fits Most Models Black w/ Red Insert
Mishimoto Universal Oil Catch Can: Fits Most Models Black w/ Red Insert
Sale

Mishimoto Universal Oil Catch Can: Fits Most Models Black w/ Red Insert

Mishimoto

Regular price $275.00 $249.95 9% off

Unit price
per 

Walbro Hellcat Fuel Pump: Fits Most Models w/ High Pressure E85 Compatible 525LPH
Sale

Walbro Hellcat Fuel Pump: Fits Most Models w/ High Pressure E85 Compatible 525LPH

Walbro

Regular price $201.58 $174.84 13% off

Unit price
per 

DEI Heat Shroud: Fits Most Models 1/2 Inch to 1-1/4 Inch Diameter x 50 Feet Long
DEI Heat Shroud: Fits Most Models 1/2 Inch to 1-1/4 Inch Diameter x 50 Feet Long
Sale

DEI Heat Shroud: Fits Most Models 1/2 Inch to 1-1/4 Inch Diameter x 50 Feet Long

DEI

Regular price $620.21 $452.86 27% off

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per 

Mishimoto Universal Baffled Oil Catch Can: Fits Most Models Black w/ Purple Insert
Mishimoto Universal Baffled Oil Catch Can: Fits Most Models Black w/ Purple Insert
Sale

Mishimoto Universal Baffled Oil Catch Can: Fits Most Models Black w/ Purple Insert

Mishimoto

Regular price $385.00 $349.95 9% off

Unit price
per 

Mishimoto Universal Baffled Oil Catch Can: Fits Most Models w/ Black Insert
Mishimoto Universal Baffled Oil Catch Can: Fits Most Models w/ Black Insert
Sale

Mishimoto Universal Baffled Oil Catch Can: Fits Most Models w/ Black Insert

Mishimoto

Regular price $275.00 $249.95 9% off

Unit price
per 

DEI Heat Sheath Aluminized Sleeving: Fits Most Models 1/2 Inch Diameter x 50 Feet Long
DEI Heat Sheath Aluminized Sleeving: Fits Most Models 1/2 Inch Diameter x 50 Feet Long
Sale

DEI Heat Sheath Aluminized Sleeving: Fits Most Models 1/2 Inch Diameter x 50 Feet Long

DEI

Regular price $212.17 $166.56 21% off

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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 $138.32 20% 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 $156.50 21% off

Unit price
per 

AEM Water / Methanol Injection Kit V2 (up to 35psi) w/ 1 Gallon Tank Universal: Fits Most Models
AEM Water / Methanol Injection Kit V2 (up to 35psi) w/ 1 Gallon Tank Universal: Fits Most Models
Sale
BLOX Racing Wastegate Gasket 38mm: For Tial/Deltagate
Sale

BLOX Racing Wastegate Gasket 38mm: For Tial/Deltagate

BLOX Racing

Regular price $12.00 $9.60 20% off

Unit price
per 

Autometer OBD-II Wireless Data Module Bluetooth DashLink: Fits Most Models
Autometer OBD-II Wireless Data Module Bluetooth DashLink: Fits Most Models
Sold out
AEM High Volume Fuel Filter 10 Micron -6AN ORB: Fits Most Models
AEM High Volume Fuel Filter 10 Micron -6AN ORB: Fits Most Models
Sale

AEM High Volume Fuel Filter 10 Micron -6AN ORB: Fits Most Models

AEM

Regular price $114.95 $91.75 20% off

Unit price
per 

Scion iA Engine Performance Parts to Maximize Your 2016-2019 Model's Power and Reliability

Enhance your 2016-2019 Scion iA with high-quality engine performance parts designed to improve acceleration, response, and overall engine efficiency. Our curated collection helps you unlock your vehicle’s full potential, whether you're aiming for daily reliability or track-ready performance.

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

Upgrading your engine components can lead to smoother acceleration, increased horsepower, and improved throttle response. These enhancements not only boost your driving experience but also contribute to better engine reliability and longevity. Properly selected parts ensure your iA runs efficiently under various driving conditions.

  • Enhanced power delivery and responsiveness
  • Better fuel efficiency and engine longevity
  • More engaging driving experience

How do I choose the right performance upgrades for my Scion iA?

When selecting parts for your iA, consider your driving goals—whether daily commuting, spirited canyon runs, or track days. Focus on compatible upgrades like high-flow filters, performance headers, or ECU tuning modules that match your vehicle’s specifications. Proper installation and supporting modifications ensure optimal results.

What supporting modifications should I consider for optimal engine performance?

To maximize the benefits of your engine upgrades, consider supporting parts such as upgraded intake systems, exhaust components, and tuning support like ECU flashers or piggyback modules. Regular maintenance, including quality oil and filter changes, also plays a vital role in maintaining peak performance. Shop this collection at FastScions to find the best upgrades for your Scion iA.

SELECT YOUR VEHICLE