I just went to look at hydro tech website. I wish there was a site like that for Tohatsu/Nissan. Sweet stuff. The tuners I saw look like they are larger at the top and get smaller at the bottom.
Thanks for the explanation and
telling where to look. I assume a tuner is similar to a tuned pipe
on a motorcycle. I also guess that since you are suggesting I build one that is something that cannot be bought. Any suggestions on jets?
I am new to forum. I am looking for information on what options I have to modify my M40D Tohatsu. It is used for duck hunting and fishing mainly. On the rare occasion I have to boat race to a duck hole therefore this is the need to be faster. It is mounted to a CMC 130 on a 16' semi V...