Muffler ARROW Racing Derbi GPR and GILERA GP before 2003

Approved, this ARROW exhaust is a real quality piece Made In Italy! It is an exhaust has put on 50 or 70cc powerful kits. His body is rolled welded in fine clink providing excellent resonance. Its silencer is a model with standard output right, titanium versions.
A must muffler on the market mécaboites that will save weight compared to the original, a noise more racing and you want to unleash it for private use on circuit, to the detriment of homologuation the débridage will free up the performance of your engine.