ARROW 71718MI Header-Collector Set - Stainless steel 4:2:1 Non-Cat BMW S 1000R & S 1000RR brand-bobster Whether you use the double-sided

Whether you use the double-sided 3M tape or self-tapping screws

- New Improved and Stronger 8 Ball Joint

or what intensity they're set to

Valve Stem Outer Diameter: 5

DataDim™ 3-wire smart-dimming technology (compatible with all DENALI dimming controllers)

ARROW 71718MI Header-Collector Set - Stainless steel 4:2:1 Non-Cat BMW S 1000R & S 1000RR brand-bobster Whether you use the double-sidedFor: BMW S 1000 RR 2019 >> UP For: BMW S 1000 R 2021 >> UP In the diagrams above, a Broken Line indicates that both items will connect together or will connect with the O. E. corresponding item at time of initial fitment. Arrow Part Number 71718MI Note This ARROW Racing 4: 2: 1 Collector unit is designed to be used with any of the ARROW Slip on Silencers [Race Tech Pro Race GP2] designed for this model. Or alternatively, the O. E. silencer can be