GrimmSpeed StealthBox Cold Air Intake Red Subaru STI 2015-2021

You've been eager for this amazing product, and it's finally here! The intake for the 2015+ STI is a smart hybrid, combining the tube and filter from the 2008 - 2014 WRX intake with the Stealthbox heat shield from the 2015+ WRX intake. There are minor design tweaks, but it offers similar fit and performance. Part #: 060078 **Quick Specs** - **Hybrid Design**: Blends the best of cold air and short ram intakes, eliminating their drawbacks. - **Air Straightener**: Matches the factory setup for accurate MAF sensor readings. - **MAF Sensor Location**: Inside the heat shield, away from engine bay heat. - **Custom Filter**: A reusable high - flow air filter with an integrated velocity stack for smooth air intake. - **StealthBox Heat Shield**: A sleek, unique design that looks great in your engine bay and keeps heat from affecting performance. - **Made in the USA**: Specifically in Minnesota. - **30 - min Installation**: Super easy with our written and video guides. **Why GrimmSpeed** GrimmSpeed's engineering and manufacturing teams are famous for high - quality, well - fitting, and durable products. These intakes have the proven performance of the 2008 - 2014 WRX EJ motor intake and a distinct look. With the Stealthbox intake heat shield, you won't have an eyesore in your engine bay. We fully stand behind these kits, aiming to give you an excellent customer experience. **GrimmSpeed Intake Kit Includes**: - 1x Intake Tube with TIG welded MAF flange and Air Straightener - 1x High - flow Oiled 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 **INSTALLATION NOTE: Make sure to install the air filter correctly on the intake tube. Push the filter onto the tube no more than 1' before tightening the clamp to let the velocity stack work properly!

Using this GrimmSpeed intake is straightforward. First, follow our written and video guides to install it, which should take about 30 minutes. When installing the air filter, remember to push it onto the tube no more than 1' before tightening the clamp so the velocity stack can function well. As for maintenance, the air filter is reusable. You can clean it periodically according to the manufacturer's instructions. Check the hose clamps regularly to ensure they are tight and there are no air leaks. Also, keep an eye on the Stealthbox heat shield to make sure it's in good condition and effectively blocking engine heat. If you notice any issues with the MAF sensor readings or the overall performance of the intake, contact our customer service for assistance.