This Injen SP Short Ram Cold Air Intake in Wrinkle Black is a perfect fit for 2018 - 2021 Subaru STI with a H4 - 2.5L Turbo engine. It's a direct replacement for the factory airbox, offering an engineered solution that lets your turbo breathe freely and unleash its full power with an easy install. The 6061 - T6 aluminum air intake tube provides a smooth airflow path, boosting power and looking great under the hood. The Injen team has maintained a safe air - fuel ratio across the power band. It comes with a fully serviceable Injen SuperNano - Web dry air filter, increasing filter surface area for better airflow and top - notch filtration. This intake adds 26 HP and 24 lb - ft of torque to your STI and gives it an aggressive, throaty tone. Best of all, no tuning is needed. Key features include a wrinkle black finish, dyno - proven power gains, short ram cold air intake design, Injen's patented MegaRam (MR®) Technology, no need for additional tuning or check engine lights, 3.250 - inch mandrel - bent 6061 - T6 aluminum intake tubing, a custom heat shield, an aggressive intake growl, smooth intake piping, and an Injen Technology Limited Lifetime Warranty.
Using this Injen SP Short Ram Cold Air Intake is easy. First, make sure your vehicle is turned off and cooled down. Remove the factory airbox and install this intake following the included instructions. It's a direct replacement, so it should fit right in. When driving, you'll immediately notice the increased power and the cool, throaty sound. As for maintenance, the Injen SuperNano - Web dry air filter is fully serviceable. Check it regularly, especially if you drive in dusty conditions. When it gets dirty, clean it according to the filter's cleaning guide. There's no need for additional tuning, but keep an eye on your vehicle's performance. If you notice any issues, like a decrease in power or a strange noise, check the intake to make sure everything is properly installed. Remember, this product comes with an Injen Technology Limited Lifetime Warranty, so if there are any problems, reach out to the manufacturer.
