Injen NanoWeb Dry Air Filter w/Shur-Loc 4.115x6.865 Oval Neck / 7.17x9.92 Base / 5.63x8.5 Tall 2017-bmw-m4-esi2747850 PTFE-Lined FK BearingsMaterialsHollow 6061-T6 Aluminum

PTFE-Lined FK BearingsMaterialsHollow 6061-T6 Aluminum Arms (Anodized Black)6061-T6 Aluminum Spacers

This additional layer is an HR-180 Rubber coating for superior sealing

Wilwood Flexline Kit D52 Caliper 18in w/ Banjo 10mm - 10mmBF Chassis

- Black Wrinkle Finish

Injen NanoWeb Dry Air Filter w/Shur-Loc 4.115x6.865 Oval Neck / 7.17x9.92 Base / 5.63x8.5 Tall 2017-bmw-m4-esi2747850 PTFE-Lined FK BearingsMaterialsHollow 6061-T6 AluminumWith a rich history in racing and the street performance, Injen Technology has proven itself as a leader in filtration engineering and technology. Lab tested and race proven, Injen's air filter line features state of the art designs and performance. All SuperNano Web air filters feature a proprietary media that includes and high flow base media with a highly efficient Nano membrane applied on top. This allows our SuperNano Web media to flow the