Ingenious optical, simple and fast mounting, less weight, more power and more torque are all characteristics, which has the exhaust systems ✅ from Remus, Laser, BOS and Sebring. Not only beautiful to the eye but also an extremely sound and a decent power delivery provides the Remus Revolution for your R850R and R1100R. The Remus Revolution is available with or without a front exhaust silencer without catalytic converter in aluminium or titanium. For the R1150R and R1150R Rockster is the Remus Revolution available as slip on axle back exhaust without catalytic converter in aluminium, titanium and black or as slip on, only silencer, in aluminium, carbon and titanium. The company Laser offers for the R850R models the Duo-Tech , slip on silencer in stainless steel, carbon or titanium. Further you get the Sports Collector made of stainless steel without catalytic converter. Suitable for the R850R and the R1100R is the Laser Duo-Tech slip-on muffler, with or without catalytic converter also in 3 sheatings. Exactly coordinated to the Laser exhaust system you get for the R-models the Tuning Chip for Motronic. For the R1150R and the R1150R Rockster the company Laser has the Duo-Tech , slip on or the exhaust system in the assortment. Also available in stainless steel, carbon and titanium. For those who prefer BOS as provider of exhausts for the R850R , R1100R and R1150R can also encounter many variations of BOS. Like e.g. the BOS Oval as slip-on for the R850R in stainless steel or carbon. The company BOS advertises with less weight and better looks. For the R1150R and the R1150R Rockster you can get from BOS also a slip-on version with low weight in stainless steel or carbon. The axle back exhaust from Sebring is very easy to install and saves a lot of weight in comparison to the original. Available for the R1150R & Rockster as slip on, Twister, with or without catalytic converter in aluminium, carbon or titanium. Please note, in case of use with luggage or operation of the vehicle without internal sound tube you should mount the exhaust extension from Sebring to protect the trunk or the indicator!