GrimmSpeed 2015-2021 Subaru WRX STI Stealthbox Intake

** INSTALLATION NOTE – Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1″ before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function properly! **

Introduction

You’ve been asking for this bad sally for a while and it’s finally here. The intake the for the 15+ STI can be thought of as a hybrid of the tube and filter used in the 08-14 WRX intake and the Stealthbox heat shield used in the 2015+ WRX intake. Small design changes were made, but the overall fit and performance is approximately the same.

Quick Specs

• Hybrid Cold Air/Short Ram Design – Combining the advantages and eliminating the negatives of both traditional intake designs
• Air straightener – Dimensionally mimics the factory configuration for accurate MAF sensor readings
• MAF sensor location – Inside heat shield, isolated from engine bay heat
• Custom reusable high flow air filter – Integrated velocity stack entrance smooths incoming air
• StealthBox Heat Shield – Sleek, unique design looks KILLER in your engine bay and keeps the heat of the engine bay from affecting performance
• Made in the USA – Right here in Minnesota, in fact
• 30min Installation – Extremely simple with our written and video guides

GrimmSpeed Intake Kit Includes:

• 1x Intake Tube w/ TIG welded MAF flange and Air Straightener
• 1x High-flow Dry Filter
• 1x Hump Hose Connector
• 1x Stealthbox Heat Shield Assembly
• 3x Hose Clamps
• 2x MAF Flange Screws
• 3x Precut Rubber Sealing Strip
• 1x MAF Wire Grommet

Options

• Red Intake Tube
• Black Intake Tube

Fitments

• 2015-2021 Subaru STI
• 2018-2021 Subaru STI Type RA

Let’s Connect!

At BCB Performance, we are real car enthusiasts who take “customer service” very seriously. We understand that finding the right parts can be overwhelming, we are here to help. The JDM Specialists at BCB Performance are here to give you the best buying experience while providing education and insight on any products and questions you have. These are the fundamentals that differentiate us from others. If you are unsure of the stock status, ETA, fitment, ship time, etc. of an item, please contact us! Let us make this experience simple, easy, and awesome for you – So without hesitation give us a call at (317) 207-2128, direct message us on our live chat or CLICK HERE to contact us via email.

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Brand

GrimmSpeed