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GrimmSpeed Stealthbox Intake 2015-2021 STI

SKU 060077
Original price $349.00 - Original price $349.00
Original price
$349.00 - $349.00
Current price $349.00
Select Piping Color: Black


The GrimmSpeed StealthBox Cold Air Intake System is the result of countless invested hours in research and development to provide the performance enthusiast with a proper intake system designed to add power and performance to your vehicle. This intake system is a direct replacement for the highly restrictive factory intake system that leaves plenty of room for improvement. GrimSpeed has provided you with a comprehensive solution that allows your turbocharger to inhale large volumes of air with a clear flow path free of restrictions straight into the turbocharger. 


The GrimmSpeed Black Stealthbox Intake is the best way to grab some power gains without breaking the bank. Easy to install and manufactured to handle power and heat, this intake allows for better flow to your turbo resulting in increased power and function for your vehicle.


  • Black finish option

  • CNC mandrel-bend and CNC cut 6061 aluminum intake tube

  • 1/8" thickness intake tube for better thermal control

  • 6061 alloy MAF flange

  • Optimal MAF placement in the design and bend angle of the intake pipe


2015-2021 STI