Injen Super-flow Web Nanofiber Dry Air FIlter-2 3/ 4in Neck/5in Base/ 4 7/8in Height/ 5in Top (X-1056-BB) 18140 Each diaphragm spring endures an

Each diaphragm spring endures an exclusive four-stage heat treating process

The GrimmSpeed Post MAF Pipe Kit is a must-have for any 2022+ WRX owner looking to spruce up their engine with an OEM+ look and fitment

ensuring a proper and secure fit

Oversized 38mm anodized aluminum piston for superior flow

Injen Super-flow Web Nanofiber Dry Air FIlter-2 3/ 4in Neck/5in Base/ 4 7/8in Height/ 5in Top (X-1056-BB) 18140 Each diaphragm spring endures anWith 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