Originally Posted by
hyperflow
We tested my Mike Nass cowling on canadabullet 250XS yesterday. It gained him 1 mph with the airbox still on and no cold air intake. On my 300XS removing the airbox makes a big difference. From what i saw i'm thinking the 250XS will gain 2-3mph with a alien cowl and cold air intake.
We ran out of time yesterday. It was Tough with both boats there doing changes on both, we only had about 3hr tell dark and didnt have time to try everything. I'm Pretty sure we will have 1 more day before ice to do more testing.