ETS manufactures one of the top cold air intake kits for the 2015-2021 Subaru WRX. The ETS 200-40-INT-003 cold air intake kit comes with a cotton filter & utilizes a stock size MAF housing that doesn't require a custom tune. This will work with the factory Subaru tune, but for maximum performance, we still recommend a custom tune.
You can bolt this on and notice immediate performance gains! The ETS cold air intake also utilizes a custom billet 5" velocity stack to help funnel as much air as quickly as possible. This combined with a huge K&N filter provides the most filter surface area and flow possible. The filter is specifically placed to allow the use of the factory ram air duct. The stealthy airbox is included with this kit and helps to isolate the intake from the hot engine bay temps and provide the coldest and most direct intake charge temps.
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