Big Bore Exhaust System

The BBR Big Bore exhaust system is designed especially for those big bore CRFXR50 and TTR50s 88cc and up Complete one piece exhaust system from the head pipe to the tail section Comes with a removable USDA Forest Service approved spark arrester installed Ceramic coated tapered header for power gains throughout the RPM range Also accepts stock endcap for stock level sound output Features Billet aluminum endcap BBR stainless steel heat shield Forest service approved spark arrester Ceram