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Parts Finder Main (New)

Grimmspeed StealthBox Cold Air Intake Red

The intake must not only be safe for the engine, but perform well both with and without tuning.
The 2015+ Subaru WRX Grimmspeed Stealthbox Intake includes everything needed to replace the restrictive stock airbox, And is designed specifically for your vehicle with mass airflow (MAF) sensor adapters sized and positioned perfectly to allow properly metered air to enter your engine without risk of a check engine light. This dyno-proven air intake provides 32 hp/21 tq gains over the OEM intake while maintaining safe air/fuel ratios. Piping is CNC mandrel bent aluminum and comes in wrinkle black or wrinkle red. Also included is a powder coated steel heat shield to keep unwanted heat from the intake.
  • 2015+ Subaru WRX Grimmspeed Stealthbox Intake
  • CNC mandrel bent aluminum tubing
  • Eliminates restrictions and improves airflow
  • Available in wrinkle black or wrinkle red
  • Includes powder-coated and sealed heat shield for optimal air temperatures
  • Provides an aggressive, rich intake tone
  • Protected MAF sensor placement
  • Features low bend angle tube
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    Year Make Model Submodel
    2016 Subaru WRX Base