HP CORSE BMW R1200GS (10/12) Slip-on Exhaust "4-Track R Satin" (EU homologated)4 TRACK R SATIN by HP Corse for BMW R1200GS. Tested for more than a year on the bench and on the most demanding routes, the new HP CORSE exhaust assures reliability and improved performance than all the original mufflers that replaces in particular way the low and mid range regimen. Satinated stainless steel silencer Hydroforming technology Slip on link pipe Laser engraved logo Removable dB killer Directive and Rule of the European Parliament (UE) nr.