GPR Exhaust - Albus Evo4 Slip-On for UM Motorcycles DSR SM EX 125 - 2018 to 2020 Bumpers Piston diameter 12 mm =

Piston diameter 12 mm = 11 to 13 mm

loading with mud or snow should not be a problem

3 Nm actuates both the union nut as well as the connecting screw on the sensors of the Alligator system

so you can simply keep using these

GPR Exhaust - Albus Evo4 Slip-On for UM Motorcycles DSR SM EX 125 - 2018 to 2020 Bumpers Piston diameter 12 mm =GPR's ALBUS silencer series has an aluminum body and CNC machined Avional caps. The exhaust has a ceramic treatment, that can withstand high temperatures. It has an elliptical shape with measurements of 90 x 120 mm. Product Features SOUND: Upgraded sound from stock exhaust PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with high grade welding WEIGHT: Lighter than stock exhaust Technical Specifications Shape: Oval Body