Not really a Roadsmith question, but a Trike Shop question about the Roadhawk exhaust. Looks like we found a Roadhawk, talked to the owner, Gloria even got Doug to call and talk about the motor. (now an 1835) The trike in question has the separate dual exhaust, and Gloria likes the look of the single exhaust that links all 4 cylinders. In talking to Doug she learned that the single exhaust helps the engine to run smoother, also. Is this system available to purchase alone from the Trike Shop or elsewhere, and what would the cost be. If I do the switch are there any hurdles to look for? We had a Runabout with a 1600, and I had the exhaust off and back on with no problems.