G Glenn 787 Well-Known Member Joined Oct 22, 2004 Messages 1,173 Aug 15, 2017 #1 I'm sure this has been covered before but was curious what's the suggested pipe length for a 3.5 outboard?
I'm sure this has been covered before but was curious what's the suggested pipe length for a 3.5 outboard?
RonShaw Well-Known Member Vendor Joined Apr 13, 2011 Messages 6,347 Aug 15, 2017 #2 Glenn, Start at 8" and go down from there.
G Glenn 787 Well-Known Member Joined Oct 22, 2004 Messages 1,173 Aug 15, 2017 #3 At the exhaust or plug?
RonShaw Well-Known Member Vendor Joined Apr 13, 2011 Messages 6,347 Aug 15, 2017 #4 Plug through centerline of curved header to fattest point (tuning ring) of pipe.
