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- #21
Paul the issue I have is 2 things. 1 the pipe is supposed to be inboard of the cowl. 2nd is the fact that these boat pipes need to be at a specific length 13.5" to start and from talking to hydro racers they run them at 12 1/4". From what I understand its the face of the exhaust port to the center of the converging and divergent cones. Seaducer designed the boat to use a 106 degree header and I have a 105 I was told a 105 will work but yea that was a good joke... I can't find a 106 anywhere or if I can find a 105 degree with a tighter radius I can make due with it.... this boat stuff is full on cut,grind,weld, etc. The only thing that bolts together as intended is the engine parts other than that use your imagination. I had to dremel down some of the stringer for the reed part of the case to drop down into the boat more and I also find it interesting that every bit of stainless hardware on the boat side is SAE and that stands true on all of my boats