Tanaka Racing stainless GP Low Exhaust system for Monkey. Monkey/CRF50 bend exhaust port header at 28mm,  steps to 32mm at the bend. Massive mid section with internal baffle tapers to 55mm, finally capping out at 75mm with a GP style exit pipe. Designed for very high performance engines and all street/show builds. Guaranteed to turn heads, this exhaust system may not conform to local decibel limits.