SKU: 33633618973

Injen 18-21 Subaru WRX STI H4-2.5L Turbo SP Aluminum Series Cold Air Intake - Wrinkle Red

Sale price$206.55 Regular price$229.50
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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

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Description

Injen 18-21 Subaru WRX STI H4-2.5L Turbo SP Aluminum Series Cold Air Intake - Wrinkle RedInjen Technology has done it once again with this new short ram air intake for the 2018 2021 Subaru WRX STI Equipped with the H4 2. 5L Turbo Engine. The Injen Technology SP1208 performance air intake system is the result of countless hours invested in research and development to provide a proven intake system designed to add power and performance to your STI. The Injen Technology SP1208 intake system is a direct replacement for that restrictive

Injen Technology has done it once again with this new short ram air intake for the 2018-2021 Subaru WRX STI Equipped with the H4-2.5L Turbo Engine. The Injen Technology SP1208 performance air intake system is the result of countless hours invested in research and development to provide a proven intake system designed to add power and performance to your STI. The Injen Technology SP1208 intake system is a direct replacement for that restrictive factory airbox and provides a engineered solution that allows that turbo to breathe deeply and produce it's full power potential with a simple drop-in install. To top it all off, no tune is required to get the power numbers noted!

  • Note: This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.
  • Injen's MR Technology provides massive power gains while maintaining A/F ratios
  • Includes custom heat shield specifically designed for this application
  • Smooth intake piping eliminates restrictions and improves airflow
  • Dyno Proven gains of up to 26 hp and 24 lb-ft. of torque
  • No additional tuning required and no check engine lights
  • Huge 3.250in mandrel-bent 6061-T6 aluminum intake tubing
  • Fully serviceable Injen SuperNano-Web dry air filter
  • Features Injen's patented MegaRam (MR) Technology
  • Replacement air filter part number X-1059-BB
  • Aggressive engine tone under full throttle
  • Injen Technology Limited Lifetime Warranty
  • Optional Hydroshield part number 1040BLK
  • Available in multiple finishes
  • Made in Pomona California, USA
  • Short Ram Air Intake Design
  • SP1208WB (Wrinkle Black)
  • SP1208WR (Wrinkle Red)
  • SP1208P (Polished)

This Part Fits:

Year Make Model Submodel
2018-2021 Subaru WRX STI Base
2018-2021 Subaru WRX STI Limited
2019 Subaru WRX STI S209
2018 Subaru WRX STI Type RA
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 33633618973

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W
w
San Leandro, US
★★★★★ 1
Amazon Vehicle Tool Parts Fitting App incorrect
Color: Silver
Amazon your Vehicle fit is Wrong this tool will not work at all on 1981 240D Mercedes oil filter
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 24, 2025
C
Verified Purchase
Chantell B.
Whiting, US
★★★★★ 5
Fits perfect
Fits perfect in 2018 x5
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Reviewed in the United States on May 10, 2026
R
Verified Purchase
RichD
Los Angeles, US
★★★★★ 5
OEM quality
BMW dealer wanted $300 to replace the cabin filters. Watched a 5 minute video and ordered these up. Look identical to OEM and easiest cabin filters I've installed. Save yourself a ton of money and install these yourself. BMW quality without the BMW price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025
D
Verified Purchase
Dmytro Sushynskyi
Bozeman, US
★★★★★ 5
Great filter!
Excellent filter! Fits my 2017 BMW X5 f15. Eliminates all external odors from the street.
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Reviewed in the United States on November 23, 2025
S
Verified Purchase
Shahida M Parveen
Louisville, US
★★★★★ 4
Fits bmw x5 35i 2015
Installation was pretty easy. Works as designed. Will update.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 16, 2023

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