Allows the fitment of aftermarket cone filter inside factory airbox for your r52/r53 Cooper S (not the cooper!) You will need a K&N RU3190 filter to go with this conversion (not included) 3D printed in a black PETG blend, bolts, drill bit and template included. You will also need to have a standard airbox, which you then drill the lid with the template supplied, bolt this in and then bolt your air filter on. Supplied with fitting instructions https://docs.google.com/file/d/1TyWR02hjDAhK255NA86uFXQlZbuXUQL8/edit?filetype=msword Check out r53oc.co.uk and join R53 owners club on Facebook 😎
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