Injen Evolution Cold Air Intake System 2015-2021 STI

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Quick Overview

The Injen Cold Air Intake is one of the world's first tuned cold air intakes. The reason this intake is tuned, is because Injen takes the time to ensure that the design of the piping, the size of the piping and even the material keeps your factory air fuel ratio at optimal ranges and never lets your car or truck run lean. As one of the best built and most innovative cold air intake systems on the market, the Injen is designed to be a good fit and not put stress on the couplings, flanges or brackets that the system comes with.

- Dyno Tuned as a system for guaranteed horsepower and torque gains
- Perfect OE fitment; Just drop into the original mounting points, fasten clamps and enjoy!
- Officially the largest SuperNano-Web dry filter on the market
- Designed and built in the USA
- Stainless steel hardware and automotive grade hose couplers included
- Built in Filter Minder alters you when your filter needs maintenance
- Massive induction systems made of durable rotomolded polyethylene

- 1 x Snorkel
- 1 x Intake Box Upper Part
- 1 x Intake Box Lower Part
- 1 x Injen Blue Filter
- Hose Clamps and Couplers

Fitment on 2018-2021 STI requires the removal of the support beam on the passenger side only.  The support beam is connected with 4 x 14mm bolts.  The beam is not on the 2015-2017 STI models

2015-2021 STI

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