BASSANI XHAUST B1 2:1 Exhaust Black - 1800-1511The Bassani Road Rage II B1 2: 1 black exhaust system high horsepower riders have been asking for is finally within reach, built specifically for motors that have already been tuned and need the plumbing to match. If your bike is making more power than stock, a stock or budget exhaust is holding it back. This system hits aggressive notes on the road while moving serious volume through a 4 inch straight style muffler body. It's made in the U. S. A., so