Injen SP Aluminum Series Cold Air Intake - Wrinkle Red — Fits 2018-21 Subaru WRX STI

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SKU: INJSP1208WR
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About Injen Injen Technology has been engineering performance intakes for ...Read More

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Sale price$293.99 Regular price$350.64
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Injen

Injen Technology has been engineering performance intakes for over 25 years — known for tunable air-fuel ratios via the patented MR Technology and SuperNano-Web filtration. Every Injen intake is dyno-tested for guaranteed HP and torque gains.

Watch in action

Unleash Your Subaru WRX STI's Potential with the Injen SP Series Cold Air Intake

Elevate your driving experience with the Injen SP Series Cold Air Intake, specifically designed for the 2018-2021 Subaru WRX STI. This performance-driven intake system is engineered to maximize airflow to your 2.5L Turbo engine, resulting in noticeable gains in horsepower and torque. The Wrinkle Red finish adds a striking visual element under the hood, setting your vehicle apart.

Key Features and Benefits:

  • Enhanced Airflow: The SP Series intake features a larger, fully serviceable Injen SuperNano-Web dry air filter, providing increased filter surface area for superior airflow and filtration.
  • Aggressive Sound: Experience a deeper, more aggressive, and throaty exhaust note that complements the enhanced performance.
  • Durable Construction: Built with high-quality aluminum, this intake is designed for longevity and optimal performance in demanding conditions.
  • Patented Tuning: Injen Technology is renowned for its patented tuning process, ensuring your engine receives the optimal air-fuel ratio for safe and efficient operation.
  • Customizable Finish: Available in multiple finishes to match your personal style. This model features a vibrant Wrinkle Red coating.
  • Limited Lifetime Warranty: Injen stands behind its products with an unbeatable limited lifetime warranty, offering peace of mind.

This Injen SP Cold Air Intake is a direct fit for the 2018, 2019, 2020, and 2021 Subaru WRX STI models, including Base and Limited trims, as well as the S209 and Type RA variants. Installation is straightforward, allowing you to quickly enjoy the benefits of improved engine breathing and performance. Upgrade your WRX STI today with a trusted name in automotive performance.

Discover the difference quality engineering makes. Get your Injen SP Cold Air Intake at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2018 Subaru WRX STI Type RA
2018-2021 Subaru WRX STI Base
2018-2021 Subaru WRX STI Limited
2019 Subaru WRX STI S209

Product Details

Product Description
Part Numbers
Sizing & Fit

About Injen

Injen Technology has been engineering performance intakes for over 25 years — known for tunable air-fuel ratios via the patented MR Technology and SuperNano-Web filtration. Every Injen intake is dyno-tested for guaranteed HP and torque gains.

Watch in action

Unleash Your Subaru WRX STI's Potential with the Injen SP Series Cold Air Intake

Elevate your driving experience with the Injen SP Series Cold Air Intake, specifically designed for the 2018-2021 Subaru WRX STI. This performance-driven intake system is engineered to maximize airflow to your 2.5L Turbo engine, resulting in noticeable gains in horsepower and torque. The Wrinkle Red finish adds a striking visual element under the hood, setting your vehicle apart.

Key Features and Benefits:

  • Enhanced Airflow: The SP Series intake features a larger, fully serviceable Injen SuperNano-Web dry air filter, providing increased filter surface area for superior airflow and filtration.
  • Aggressive Sound: Experience a deeper, more aggressive, and throaty exhaust note that complements the enhanced performance.
  • Durable Construction: Built with high-quality aluminum, this intake is designed for longevity and optimal performance in demanding conditions.
  • Patented Tuning: Injen Technology is renowned for its patented tuning process, ensuring your engine receives the optimal air-fuel ratio for safe and efficient operation.
  • Customizable Finish: Available in multiple finishes to match your personal style. This model features a vibrant Wrinkle Red coating.
  • Limited Lifetime Warranty: Injen stands behind its products with an unbeatable limited lifetime warranty, offering peace of mind.

This Injen SP Cold Air Intake is a direct fit for the 2018, 2019, 2020, and 2021 Subaru WRX STI models, including Base and Limited trims, as well as the S209 and Type RA variants. Installation is straightforward, allowing you to quickly enjoy the benefits of improved engine breathing and performance. Upgrade your WRX STI today with a trusted name in automotive performance.

Discover the difference quality engineering makes. Get your Injen SP Cold Air Intake at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2018 Subaru WRX STI Type RA
2018-2021 Subaru WRX STI Base
2018-2021 Subaru WRX STI Limited
2019 Subaru WRX STI S209

Product Details

Product Description

About Injen

Injen Technology has been engineering performance intakes for over 25 years — known for tunable air-fuel ratios via the patented MR Technology and SuperNano-Web filtration. Every Injen intake is dyno-tested for guaranteed HP and torque gains.

Watch in action

Unleash Your Subaru WRX STI's Potential with the Injen SP Series Cold Air Intake

Elevate your driving experience with the Injen SP Series Cold Air Intake, specifically designed for the 2018-2021 Subaru WRX STI. This performance-driven intake system is engineered to maximize airflow to your 2.5L Turbo engine, resulting in noticeable gains in horsepower and torque. The Wrinkle Red finish adds a striking visual element under the hood, setting your vehicle apart.

Key Features and Benefits:

  • Enhanced Airflow: The SP Series intake features a larger, fully serviceable Injen SuperNano-Web dry air filter, providing increased filter surface area for superior airflow and filtration.
  • Aggressive Sound: Experience a deeper, more aggressive, and throaty exhaust note that complements the enhanced performance.
  • Durable Construction: Built with high-quality aluminum, this intake is designed for longevity and optimal performance in demanding conditions.
  • Patented Tuning: Injen Technology is renowned for its patented tuning process, ensuring your engine receives the optimal air-fuel ratio for safe and efficient operation.
  • Customizable Finish: Available in multiple finishes to match your personal style. This model features a vibrant Wrinkle Red coating.
  • Limited Lifetime Warranty: Injen stands behind its products with an unbeatable limited lifetime warranty, offering peace of mind.

This Injen SP Cold Air Intake is a direct fit for the 2018, 2019, 2020, and 2021 Subaru WRX STI models, including Base and Limited trims, as well as the S209 and Type RA variants. Installation is straightforward, allowing you to quickly enjoy the benefits of improved engine breathing and performance. Upgrade your WRX STI today with a trusted name in automotive performance.

Discover the difference quality engineering makes. Get your Injen SP Cold Air Intake at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2018 Subaru WRX STI Type RA
2018-2021 Subaru WRX STI Base
2018-2021 Subaru WRX STI Limited
2019 Subaru WRX STI S209

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