The GPR Deeptone Inox silencer enhances the performance and sound of BMW R90 motorcycles. These stainless steel silencers deliver a deeper exhaust note. The silencers feature premium TIG welding construction and an 80mm round design. The lightweight silencers reduce overall motorcycle weight compared to stock components. GPR manufactures these silencers in Italy with precision engineering standards. BMW R90 Exhaust Fitment BMW R90 1973 1974 1975 1976 GPR Exhaust Information Removable DB Killer: Included Weight: 3.08 pounds (1.4 kg) Length: 14.57 Inches (370 MM) Finish: Brushed Stainless steel Link pipe: Not included Catalyst: Not necessary for this product European Homologation: Yes BMW R90 GPR Deeptone Inox Silencer Details Enhanced Sound Performance: Silencers produce a deeper, more aggressive exhaust note than stock systems Premium Construction: 304 stainless steel body with TIG welded cone ensures lasting durability Weight Reduction: 3.08 pound weight saves significant mass compared to stock exhaust Professional Installation Required: Specialized cafe racer mechanics must custom fit and fabricate connection components Warranty Protection: 2-year international warranty covers manufacturing defects