Description
- Made with INOX Stainless Steel [AISI 304 grade] for a durable light weight item that allows performance gains.
- This Racing collector system is supplied with provision for the O.E. exhaust sensor mounting points (2).
For: 2019 > UP
Arrow Part Number - 71747MI
Note - This ARROW Racing 2:1 Collector unit is designed to either connect direct to a ARROW Maxi Race-Tech #71925 Series of silencer.
Or alternatively, the O.E. silencer system can be retained.
> Technical Note :The BMW Original Equipment Collectors has a variable exhaust valve unit [cable operated] attached.
When replacing the O.E. Collector unit with the Arrow Racing Collector #71747MI, this exhaust valve unit will be modified - follow the steps as per the ARROW Instructions # 3884226 [supplied with the Collectors].