I'm pumpin' heat from a JetCat Titan in mine thru the stock pipe! No probs to date. This is the second season with it.

PualD, thanx for the info. The tank I'm using now is 4 liters. Gary M. of Jet-Tech made it for me last year when I started outfitting this ride. My tank extends flush with the former in front of the landing gear. I can get another 3" easily and plan to call Gary later today to request this custom build. I thought the new tank was about that long. I want to use smoke without losing the capacity I carry now.... give or take a few ounces.