Our Most Popular Selling Exhaust pipe! High Performance 3 Stage Mini-Bike Header with improved flange to pipe transition Pipe exits between tire and frame. Fits Storm 200's And most "old school" mini-bikes. Pipe now has 3 stages with final one to accept 1 5/16" Exhaust Silencer. We also recommend using Header & Exhaust Wrap, 2"x 1/16 X 10 Ft. - Black.