I would like to know what is involved to drill out the exhaust on a 2005 90 h.p. mercury outboard.
H heathcliff 3135 Recruit Joined May 15, 2010 Messages 1 May 15, 2010 #1 I would like to know what is involved to drill out the exhaust on a 2005 90 h.p. mercury outboard.
S sschefer Rear Admiral Joined Nov 13, 2008 Messages 4,530 May 15, 2010 #2 Re: drill out exhaust A lot of work for nothing more than noise. There is no hp gain. The only thing you do is make people look at you and attract attention from the water cops. The other thing it can do is weaken the housing and cause it to crack.
Re: drill out exhaust A lot of work for nothing more than noise. There is no hp gain. The only thing you do is make people look at you and attract attention from the water cops. The other thing it can do is weaken the housing and cause it to crack.
