Y-pipe sound???????
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Category: General Correct Craft Discussion
Forum Name: General Discussion
Forum Discription: Anything Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=41946
Printed Date: November-30-2024 at 11:37am
Topic: Y-pipe sound???????
Posted By: throttle out
Subject: Y-pipe sound???????
Date Posted: September-19-2017 at 9:15am
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I'm seriously wanting to remove the Invertaflow from my 89 SN and go with a y-pipe and no muffler. The only thing holding me back is that I can't seem to find any info from the folks that have done the rework on how it sounds and if they are happy they did it. Anyone out there have a sound clip of their boat after they installed the y-pipe and any feedback about it? Thanks Yall!! ------------- 1989 Ski Nautique 2001 351 PCM w/ 1-1.23 |
Replies:
Posted By: gun-driver
Date Posted: September-19-2017 at 10:34am
| I went with straight pipes on my '85, sounds great at low speed but at ski speed it is just obnoxious. Sitting in the back its deafening, going back to mufflers. |
Posted By: throttle out
Date Posted: September-19-2017 at 11:04am
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Thanks for the feedback! Your 85 is dual exit at the transom where my 89 is single. My thought is that because I have both manifolds dumping their water into a single 4" exit that it will be a bit less obnoxious. I have no certainty though. hoping someone with a single exit can chime in on their thoughts and experience. Thanks again!! ------------- 1989 Ski Nautique 2001 351 PCM w/ 1-1.23 |
Posted By: Orlando76
Date Posted: September-19-2017 at 11:38am
When I see these topics I can't help but think that some people need their man card taken away  ------------- Please support The Cystic Fibrosis Foundation 1976 Ski Nautique 351 Escort 1993 Ski Nautique purple and black 351 HO PCM |
Posted By: 75 Tique
Date Posted: September-19-2017 at 11:40am
Its kind of like chocolate vs vanilla. Its a personal preference thing. There are a zillion 60s and early 70s boats out there with "straight pipes" (no mufflers) and an awful lot of those owners wouldnt have it any other way. Others find it obnoxious. Not sure there is a right or wrong answer, its what you like/prefer and it depends on how you use your boat. Sam, not sure anyone can tell you if its good or bad, and I am not sure recordings are going to be much benefit. Base your course of action on whether you like generally loud boats or not. If you lean toward doing it and do it and dont like it, I believe you can alway put a hull hugger in after the fact. I believe some folks have done that, but I am not absolutely sure that its been done and that one can fit in after the transition. ------------- _____________ “So, how was your weekend?” “Well, let me see…sun burn, stiff neck, screwed up back, assorted aches and pains….yup, my weekend was great, thanks for asking.” |
gun-driver wrote:Posted By: TRBenj
Date Posted: September-19-2017 at 11:47am
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The hull hugger itself is a y (2 in, 1 out) so it could be added but won't work in conjunction with a typical y. Plenty of aftermarket 3", 3.5" and 4" mufflers that could be added though. Lots of variables when talking exhaust volume and mufflers. Engine tune and exhaust manifold material are certainly players. The biggest difference is usually felt by those who have the exhaust outlets pointed at them- skiers and those on shore. Muffled boats can still be pretty loud and throaty in the cockpit. |
Posted By: JoeinNY
Date Posted: September-19-2017 at 12:22pm
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Ive been interested on how people have felt about their Y pipe as well. The sound through 1 isn't going to be the same as the sound through two.. these should have been relatively quiet engines as well. Seems like enough people have done this conversion now we would have at least a solid second hand account floating around. I have been running mufflers on my 83 for years now as it was just too darn loud without them and I use it too much for teaching and cruising. Without them the people in the back seat might has well have been in a different boat as conversation was impossible at almost any speed. If I feel the neighborhood is not giving my old boat the proper respect a quick blip to 5700 rpm or so is pretty distinctive even if muffled. If any of you straight pipe guys can catch up to me Ill be glad to hand you my man card. I wouldn't add them to an older classic boat but for my day to day driver/teaching boat quieter is better for me. ------------- http://www.correctcraftfan.com/diaries/details.asp?ID=1477 - 1983 Ski Nautique 2001 1967 Mustang 302 "Decoy" http://www.youtube.com/watch?v=cO5MkcBXBBs - Holeshot Video |
Posted By: desertskier
Date Posted: September-19-2017 at 12:33pm
| I did my '89 last summer. Sounds lame but I haven't ridden in it yet. My son uses it and likes the new sound. He said he definitely doesn't want the muffler back on. I have listened to it going down the lake and it sounds much better. For some reason the '89 stock exhaust was much quieter than the '92 exhaust. It has less HP and smaller diameter risers/hose but I was still surprised by how much quieter it was. Now it sounds like it should. I wouldn't put a Y-pipe on my '92 but I wouldn't hesitate to go with the Y-pipe on an '89. |
Posted By: GottaSki
Date Posted: September-19-2017 at 3:02pm
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Even with mufflers, one day the whole family could tell something sounded amiss, found one flapper had torn off. surprising how something seemingly inconsequential can effect the noise. ------------- "There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing." River Rat to Mole |
Posted By: Treybizttu
Date Posted: September-20-2017 at 2:48pm
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Not exactly what you are after but my Pro Air muffler was trashed so I ran a stainless Y pipe. Cruising speed sound was fine and idling around was okay. Partial slow throttle and it was louuuuuuud. I loved it but the next one is going to have a muffler for conversations and the kids. |
Posted By: rolleronariver
Date Posted: September-21-2017 at 2:34pm
Same here. We put a FAE on ours this year so someone could sit in the back seat and actually hear themselves think. ------------- 92 Sport nautique |