Exhaust · Racing
Ref. OP903
Opus Racing RF50WR-type exhaust designed for Derbi or AM6 engines fitted to Mobcross frames. Supplied bare in 5 parts (two-piece elbow, centre section, reverse cone and tailpipe), it is welded and adjusted by the user for a perfect fit to the chassis. For competition use only, not road-legal.
Made from laser-cut 0.8 mm sheet steel, each cone individually hand-rolled and TIG-welded. Compatible with 32 mm venturis and Bidalot RF50WR silencers with 17 mm inner diameter.