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GrimmSpeed StealthBox Cold Air Intake Red 2015-2021 STI

$359.00
Original price $359.00 - Original price $359.00
Original price $359.00
$359.00 - $359.00
Current price $359.00
44 In Stock, Usually Ships within 1-2 Business Days
SKU 060078
Lease to own Pay as low as $/week

DETAILS

Designed specifically for the 2015–2021 STI, this intake features the StealthBox heat shield for a sleek engine-bay-ready design while delivering proven performance.

Quick Specs:

  • Hybrid Cold Air / Short Ram design: combines the advantages of both intake styles
  • Air straightener: mimics factory configuration for accurate MAF readings
  • MAF sensor: mounted inside heat shield, isolated from engine bay heat
  • Custom high-flow reusable filter with integrated velocity stack
  • StealthBox heat shield: sleek, performance-focused design
  • Made in the USA
  • ~30-minute installation with written & video guides
  • Tuning required: not compatible with stock or off-the-shelf maps

Included:

  • (1) Intake Tube with TIG-welded MAF flange & air straightener
  • (1) High-flow Dry Filter
  • (1) Hump Hose Connector
  • (1) StealthBox Heat Shield Assembly
  • (3) Hose Clamps
  • (2) MAF Flange Screws
  • (3) Precut Rubber Sealing Strips
  • (1) MAF Wire Grommet

Installation Instructions

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