AA SC replacement Belt - E36 325i, M3 with HKS 7040 KIT x1 Replaces (not removes) secondary cats

Replaces (not removes) secondary cats for better flow and sound

50" diameter piping allows for maximum power output

with the filter's stainless steel mesh

This positive charge attracts the negatively (-) charged dust particles entering the filter

AA SC replacement Belt - E36 325i, M3 with HKS 7040 KIT x1 Replaces (not removes) secondary catsBMW E36 M3 with HKS 7040 SC running 90mm pulley This is a replacement belt for the Active Autowerke E36 325i and M3 supercharger kit with a HKS 7040 blower. These premium V ribbed belts are designed with aramid fiber loaded stock to provide the longest possible service life with the lowest possibel noise characteristics.