The Montana does not feature a weatherproof membrane (this isn’t its intended purpose)

pressure: 100bar

QUICK INSTALLATION

while the ventilation and the PrimaLoft® Black Insulation Eco detachable thermal jacket allow it to be quickly and easily adapted suit the weather conditions

Advanced FCd (Full Contour Design):The DNA® air filter is engineered with FCd technology to maximize airflow and filtration efficiency

GPR Exhaust - Furore Nero Full Line for Yamaha WR 250 F - 2007 to 2014 K-Type-Cable Adjusters The Montana does not featureGPR's Furore Nero silencer has a black aluminum body, with avional caps made through CNC machining. It has a ceramic finish that withstands high temperatures, with an elliptical shape that measures 90mm. 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 Color: Matte