Air filter negative ions for HHO REF SPORT mode negative ions

Everything remains original. The engine dynamics have been greatly improved!

Installation is simple into the airbox or around the sports air duct using a cable tie and can be done in 5 minutes. 

List of parts, for example:

1x Frequency rubber mesh 130*105*4mm

*Full FMAA, HHO KIT or HHO CHIPs are not included.