Parts Finder Main (New)

Grimmspeed StealthBox Cold Air Intake Red

Special Order: Quantity of 37 available for arrival here Friday October 22nd 2021 at 11:00AM

This is NOT product that is onroute to us already, it must be ordered from us, once you order, we will order from supplier that has the stock and the availability as listed on the product description.

This displayed ETA is still an estimation. Our supplier(s) have stock we're giving you the regular and typical ETA from that supplier.

If you're ordering a higher quantity then the quantity shown, please email us at with the SKU or direct link and the quantity you're interested and we will confirm lead time.

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
  • Write Your Own Review
    You're reviewing:Grimmspeed StealthBox Cold Air Intake Red


    Year Make Model Submodel
    2016 Subaru WRX Base