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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

Haltech Boost Control Solenoid 3 Port: Fits Most Models
Haltech Boost Control Solenoid 3 Port: Fits Most Models
Haltech Boost Control Solenoid 4 Port: Fits Most Models
Haltech Boost Control Solenoid 4 Port: Fits Most Models
Vibrant Stainless Steel Bottle Resonator: Fits Most Models with 2.5" Inlet & Outlet, 12" Length
Sale

Vibrant Stainless Steel Bottle Resonator: Fits Most Models with 2.5" Inlet & Outlet, 12" Length

Vibrant

Regular price $95.50 $75.50 21% off

Unit price
per 

Vibrant EFI Adapter Fitting: Fits Most Models
Sale

Vibrant EFI Adapter Fitting: Fits Most Models

Vibrant

Regular price $22.50 $16.50 27% off

Unit price
per 

Vibrant Ultra Quiet Resonator: Fits Most Models w/ 3.0" Inlet and 3.0" Outlet
Vibrant Ultra Quiet Resonator: Fits Most Models w/ 3.0" Inlet and 3.0" Outlet
Sale

Vibrant Ultra Quiet Resonator: Fits Most Models w/ 3.0" Inlet and 3.0" Outlet

Vibrant

Regular price $175.99 $139.99 20% off

Unit price
per 

Vibrant Aluminum Female Weld Bung -1/8 NPT: Fits Most Models
Sale

Vibrant Aluminum Female Weld Bung -1/8 NPT: Fits Most Models

Vibrant

Regular price $7.99 $5.99 25% off

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per 

Go Fast Bits EX38 External Wastegate: Fits Most Models
Sale

Go Fast Bits EX38 External Wastegate: Fits Most Models

Go Fast Bits

Regular price $422.00 $379.80 10% off

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per 

Vibrant -6AN Hose End Fitting (90 Degree) For Use w/ PTFE Lined Hoses: Fits Most Models
Sale

Vibrant -6AN Hose End Fitting (90 Degree) For Use w/ PTFE Lined Hoses: Fits Most Models

Vibrant

Regular price $37.50 $27.79 26% off

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AEM Throttle Control Module: Multiple Subaru Fitments
AEM Throttle Control Module: Multiple Subaru Fitments
Sale

AEM Throttle Control Module: Multiple Subaru Fitments

AEM

Regular price $312.95 $277.95 11% off

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per 

Go Fast Bits EX44 External Wastegate: Fits Most Models
Sale

Go Fast Bits EX44 External Wastegate: Fits Most Models

Go Fast Bits

Regular price $468.90 $422.01 10% off

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per 

Turbosmart Silicone Vacuum Hose: Fits Most Scion Models
Sale

Turbosmart Silicone Vacuum Hose: Fits Most Scion Models

Turbosmart

Regular price $19.99 $17.99 10% off

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per 

Turbosmart Silicone Vacuum Hose: Fits Most Scion & Toyota Models
Sale

Turbosmart Silicone Vacuum Hose: Fits Most Scion & Toyota Models

Turbosmart

Regular price $19.99 $17.99 10% off

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per 

Torque Solution Gold Reflective Heat Tape 1.5 Inch X 15 Feet: Fits Most Models
Sold out
Turbosmart Silicone Vacuum Hose 5mm x 3m Black: Fits Most Models
Sale

Turbosmart Silicone Vacuum Hose 5mm x 3m Black: Fits Most Models

Turbosmart

Regular price $21.99 $19.79 10% off

Unit price
per 

Turbosmart Silicone Vacuum Hose 4mm x 3m Red: Fits Most Models
Sale

Turbosmart Silicone Vacuum Hose 4mm x 3m Red: Fits Most Models

Turbosmart

Regular price $19.99 $17.99 10% 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.

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