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There is an after market exhaust that uses the stock y tube and also goes through the transom.
Is this an advantage or just make more noise for those that like the extra sound above the water line?
I would think it is more of the more noise aspect.
I am planning to try and get a bit more hp...
Ok, first time here, and I am sure this has been done a million times, but I could use some help.
New to me 87 sea ray sorrento 21 foot s21
5.7 liter 260 hp
alpha one with a 1.5:1 ratio
al prop 21 pitch 4878122 A40L 21P (dia 13.75")
centerline 20'8"
beam 96"
dry wt 2820
gal full 40
WOT is...
