Description
Upgrade your Ducati Monster 821 with Arrow’s Race-Tech slip-on silencers, designed for improved sound, reduced weight, and a clean racing look.
All silencers feature:
carbon fibre end cap
stainless steel internal construction
welded mounting
removable DB killer (Si)
350mm silencer body
60mm inlet / 50mm outlet
Weight varies by material:
2.13–2.73 kg (4.70–6.02 lbs)
✅ REQUIRED FOR INSTALLATION
These silencers cannot be installed on their own. A link pipe is REQUIRED due to the solid-line fitment:
✅ Catalytic homologated link pipe (71451KZ)
Street legal (ECE approved) • includes catalyst • 1.25 kg (2.76 lbs)
✅ Racing link pipe (71451MI)
For closed-course competition • no catalyst • 0.55 kg (1.21 lbs)
Both mid-pipes fit the original collectors and must be used with any silencer in this group.




