Crankcase Vent Breather Filter past type tag-Helmets - Off-Road/MX Made from aircraft-grade aluminum with

Made from aircraft-grade aluminum with all stainless steel hardware

At least 4mm thick

They aren’t cheap

Manufacturer Part#:CST-511-14-1

Crankcase Vent Breather Filter past type tag-Helmets - Off-Road/MX Made from aircraft-grade aluminum withCrackcase breather hose on KTM 950 990 normally goes into the airbox where it can drip engine oil vapor right over the front carburetor throttle body which is not ideal. When the air intake system is upgraded to TripleClamp Moto's airfilter system which replaces the air box, a breather filter like this is required to cap the crankshaft breather hose. This item is included in our 950 990 air filter system