GPR's Deeptone Inox silencers deliver enhanced performance and sound for BMW R-series motorcycles. The silencers are constructed from 304 stainless steel with precision TIG welding. The round design features an 80mm diameter profile. These silencers provide significant weight reduction compared to stock components. Professional installation by a Cafe Racer specialist is required due to custom fitting requirements. The kit requires modification of the original headers and custom link pipe fabrication. BMW R100RS R100RT R100CS Exhaust Fitment BMW R100RS 1976 1977 1978 1979 1980 1981 1982 1983 1984 BMW R100RT 1976 1977 1978 1979 1980 1981 1982 1983 1984 BMW R100CS 1976 1977 1978 1979 1980 1981 1982 1983 1984 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 R100 GPR Deeptone Inox Cafe Racer Exhaust Details Superior Sound Quality: Premium stainless steel construction produces a deeper, more aggressive exhaust note compared to stock systems Enhanced Performance: Optimized exhaust flow increases engine efficiency and power output across the RPM range Premium Build Quality: Italian craftsmanship with TIG welding ensures exceptional durability and perfect fitment Significant Weight Reduction: Lightweight design removes unnecessary bulk while maintaining structural integrity Professional Installation Ready: Custom fitting capabilities allow experienced mechanics to achieve perfect integration with your motorcycle Long-term Reliability: 2-year international warranty backs the premium materials and construction quality