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World Record Proven Performance in the Subaru market. The ETS 04-07 Subaru STI Intake Kit locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our Extreme Turbo Systems intake is made from high-quality parts and built in house at our facility.
-3" stainless steel piping
-3" Aluminum MAF housing (Stock MAF option only)
-Cold Air Intake design for maximum performance K&N Filter
-Built in the USA
-Mandrel bent to ensure no burs will impede the flow