F8x M3/M4 Big Fin Performance Carbon Fiber Rear Diffuser audi rs3 carbon intake The MAD N55 Intake is

The MAD N55 Intake is a high-performance air intake system designed specifically for BMW N55 engines

and precision

Need more details

(that's the only difference between the kit + hardware and kit + hardware + adapter tool)  We've had customers with AWD xDrive vehicles install this kit without the adapter tool

Custom built multi-function digital boost gauge and more for the 8V generation (2013-2020) Audi A3

F8x M3/M4 Big Fin Performance Carbon Fiber Rear Diffuser audi rs3 carbon intake The MAD N55 Intake isTired of the understated factory diffuser look? This performance carbon fiber diffuser steps up the game with prominently enlarged center fins that give your M3 M4 the aggressive edge you've been wanting. It delivers that coveted OEM plus aesthetic for drivers who refuse to compromise on style. Maximize its impact by pairing it with bumper extensions or a rear trunk spoiler for a fully integrated, head turning rear design. Fits: 2015 2019 F80 M3 2015