The GPR Trioval exhaust system enhances BMW R1100GS performance and sound. This slip-on exhaust delivers improved power output while maintaining legal sound levels. The exhaust system features premium 304 stainless steel construction with hand-polished finishing. The Trioval series creates a classic ovoid shape with 100mm x 130mm dimensions. GPR manufactures this exhaust system in Italy with precise welding techniques. The system comes with a link pipe and mounting hardware for direct installation without modifications. BMW R1100GS GPR Trioval Exhaust Fitment BMW R1100GS 1994 1995 1996 1997 1998 GPR Exhaust Information Removable DB Killer: Included Weight: 4.29 pounds (1.95 kg) Length: 15.75 Inches (400 MM) Finish: Polished Stainless Steel Link pipe: Included Catalyst: Not necessary for this product European Homologation: Yes BMW R1100GS GPR Trioval Slip-on Exhaust Details Superior Sound Quality: Produces an enhanced exhaust note that remains within legal limits while offering the most refined tone in GPR's lineup Significant Weight Reduction: Weighs less than the stock exhaust system, improving overall motorcycle performance and handling Premium Construction: Italian craftsmanship with high-grade 304 stainless steel ensures long-lasting durability Easy Installation: Includes specific link pipe and mounting hardware for direct bolt-on fitment Performance Enhancement: Optimized design increases power output compared to stock exhaust Warranty Protection: Backed by a 2-year international warranty for reliable coverage