K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 4.37in Height - 66-3120 fits_2011-2016`BMW`5 Series Cobb 15-19 Subaru WRX/STi Titanium

Cobb 15-19 Subaru WRX/STi Titanium 3in Catback Exhaust

Compatible with 2021+ BMW G82 M4 Coupe / G83 M4 Convertible

Sparco Seat Insert Evo L QRT Black

They sit higher than the stock exhaust

K&N inline fuel/oil filters are ideal for racing applications

K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 4.37in Height - 66-3120 fits_2011-2016`BMW`5 Series Cobb 15-19 Subaru WRX/STi TitaniumNot only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine. Features & Benefits Washable and reusable Improves Air Flow Downloads & Resources Installation Instructions (PDF) Technical Bulletin (PDF) Link To Manufacturer