Protect your motor with a DBR YFZ450R Breather Box!
The YFZ450R’s are notorious for oil blow by due to high revs. (And overfilling your oil)
DBR Breather Box returns the oil to your bottom end while allowing your engine to breathe properly.
-Comes with precut hoses and clamps.
-Built using stainless steel and powder coated black for a sharp look!
Checkout DBR's Website HERE