Boats For Sale:
What muffler works Best! |
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8122pbrainard 
Grand Poobah 
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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 Topic: What muffler works Best!Posted: February-08-2020 at 12:09pm |
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If you are in a cold climate that requires a winter layup, be careful using the reducers, water won't completely drain out of the mufflers. Not much water will stay in the mufflers but it's always safer to get as much out as possible. Raising the bow of the boat may be required. |
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Riley
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Joined: January-19-2004 Location: Portland, ME Status: Offline Points: 7963 |
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Posted: February-08-2020 at 12:02pm |
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Having replaced exhaust with copper, stainless steel and straight hose on different boats with different engines, I can't tell the difference between any of them, other than they all sound good. Maybe a side by side comparison would reveal a different tone between them, but it would be subtle. Maybe someone makes mufflers for an old 2.5" system, but you may end up having to use reducers or replace your through hulls.
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67 ski nat
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Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1199 |
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Posted: February-08-2020 at 7:14am |
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There is also Shieldsflex II wet exhaust hose. Super tough. On my 67 straight hose no muffler
Sounds awesome. The rubber might make it a little softer sounding than metal with no mufflers. Use two SS clamps |
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Jeff57
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Joined: January-20-2020 Location: Nashville Status: Offline Points: 11 |
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Posted: February-08-2020 at 1:36am |
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You guys are great! Thanks for all the great advice. Very helpful.. As my ‘78 SN resto goes on you will hear from me again. I was able to find an “A Frame” Correct Craft trailer from another post. The certificate of ownership has Walter Maloon’s signature on it. Very cool.
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83CCSN
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Joined: March-14-2019 Location: Oklahoma Status: Offline Points: 27 |
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Posted: February-08-2020 at 1:32am |
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If you are interested I have fiberglass mufflers and rubber from a 1983 351w.
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MrMcD
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Joined: January-28-2014 Location: Folsom, CA Status: Offline Points: 3778 |
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Posted: February-07-2020 at 8:45pm |
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My 78 had no mufflers exhaust ran into the 3" Stainless, the OEM rotted out and I put the stainless in, bought from a local muffler shop. I loved the sound. At idle the exhaust was mostly under water and quiet. Above Idle it was loud, At 3,000 RPM cruise speed nobody in the back seat could converse with the people in the front seat.
The front seat was fine, the back seat had lots of noise but I loved the sound. |
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nix88
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Joined: September-01-2014 Location: ellijay,ga Status: Offline Points: 17 |
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Posted: February-07-2020 at 8:35pm |
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My 88 has stainless tubing. Gt40p heads, cam research ski cam, Quick fuel 650 carb. with the rpm air gap intake. I kinda like the sound. Can videos be included on here? If so how?
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11191 |
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Posted: February-07-2020 at 7:57pm |
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Here's a picture that's tough to see from a David G post.  You can barely make out the smaller diameter on each end of the tubes. And here's a thread in the link with a post from Art C telling what they did at the factory. I think you know who Art is. This was his early screen name It's about halfway down page 1 link  I had a pair that were swaged down like that on a 76 SN but they're long gone and no pictures of my own. |
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Orlando76
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Joined: May-21-2013 Location: Mount Dora, FL Status: Offline Points: 3108 |
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Posted: February-07-2020 at 7:43pm |
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My 76 is definitely swagged.
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Please support The Cystic Fibrosis Foundation
1976 Ski Nautique 351 Escort 1993 Ski Nautique purple and black 351 HO PCM |
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: February-07-2020 at 7:10pm |
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Some say yes, the copper has more of a mellow sound. I personally have never seen swaged copper. It's always been stretch the Rubber ID an extra 1/8". Maybe there's a picture of swaged copper exhaust tubing that CC used out there? |
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Jeff57
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Joined: January-20-2020 Location: Nashville Status: Offline Points: 11 |
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Posted: February-07-2020 at 6:23pm |
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Thanks. Tubing not pipe. Seems like Stainless is a little easier than reducing the copper to fit. Is their a sound difference? Copper more mellow? Or really no difference?
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MourningWood
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Joined: June-13-2014 Location: NorCal Status: Offline Points: 920 |
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Posted: February-07-2020 at 5:50pm |
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My '64 Dunphy with 312 Ford V8 has no mufflers. Instead, the 2 1/2" exhaust hose runs all the way out the transom tips. Makes for a nice, mellow, vintage sound.
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1964 Dunphy X-55 "One 'N Dun"
'I measured twice, cut three times, and it's still too short!" |
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11191 |
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Posted: February-07-2020 at 5:34pm |
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You can easily find Stainless tubing with a 3 inch OD, not too easy at all to find copper with a 3 inch OD though. The copper has a 3 1/8 inch OD and Correct Craft swaged down the ends to be 3 inches on the copper they used with 3 inch ID hose. |
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: February-07-2020 at 2:57pm |
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Willim,
Copper or stainless tubing not pipe. |
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Jeff57
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Posted: February-07-2020 at 2:22pm |
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I like the idea of no mufflers. I remember as a kid there was an early '70's nautique on the lake. Sounded great. I'm restoring a '78 that has mufflers - thinking about removing them. You mentioned copper. I restored some 50's Chris Crafts and they just had copper. are you saying just copper pipe? Or should I go stainless?
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: January-13-2020 at 8:18am |
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Good plan. I have a feeling you will like how it sounds. |
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Hollywood
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Joined: February-04-2004 Location: Twin Lakes, WI Status: Offline Points: 13521 |
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Posted: January-12-2020 at 11:41pm |
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LPSL
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DrewSki
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Joined: December-17-2019 Location: Georgia Status: Offline Points: 7 |
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Posted: January-12-2020 at 11:24pm |
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Hahahaha. Figured somebody would laugh at that idea of mufflers. I had loud pipes on my Harley. No as a matter of fact I have not driven it yet. It’s been winterized so I’m doing some work on it right now. The previous owner said it was LOUD. Now I personally like a good sounding motor but not an obnoxious one. I’ll just wait and see how it sounds before making my mind up.
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1965 Correct Craft American Skier. ...work in progress.
You don’t live but once! |
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jbear
Grand Poobah
Joined: January-21-2005 Location: Lake Wales FL. Status: Offline Points: 8193 |
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Posted: January-12-2020 at 9:43pm |
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Mufflers! LOL.....
john |
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"Loud pipes save lives"
AdamT sez "I'm Canadian and a beaver lover myself"... |
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Orlando76
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Joined: May-21-2013 Location: Mount Dora, FL Status: Offline Points: 3108 |
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Posted: January-12-2020 at 12:28pm |
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Glad you’re on same page as me. I feel I’m always getting slammed for saying that. |
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Please support The Cystic Fibrosis Foundation
1976 Ski Nautique 351 Escort 1993 Ski Nautique purple and black 351 HO PCM |
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Morfoot
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Joined: February-06-2004 Location: South Lanier Status: Offline Points: 5331 |
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Posted: January-12-2020 at 10:34am |
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Loud Pipes Saves Lives. Copper mufflers are pretty popular these days!
 
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"Morfoot; He can ski. He can wakeboard.He can cook chicken.He can create his own self-named beverage, & can also apparently fly. A man of many talents."72 Mustang "Kermit",88 SN Miss Scarlett, 99 SN "Sherman"
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: January-11-2020 at 11:34pm |
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Jimmie, Have you driven the boat and feel it's too loud? |
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93/70 ccpb
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Joined: March-05-2006 Location: United States Status: Offline Points: 448 |
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Posted: January-11-2020 at 6:50pm |
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sorry they are 3 inch inlet/outlet
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what you dont want to hear from jbear and bill.you cant get in the boat till you get your minute,and they throw you back in water!
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93/70 ccpb
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Joined: March-05-2006 Location: United States Status: Offline Points: 448 |
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Posted: January-07-2020 at 9:16pm |
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i may have a set of mufflers,i will check on wed ,ill measure inlet/outlet and length they were from one of my old barracudas or the same era,
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what you dont want to hear from jbear and bill.you cant get in the boat till you get your minute,and they throw you back in water!
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Jonny Quest
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Joined: August-20-2013 Location: Utah--via Texas Status: Offline Points: 3009 |
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Posted: January-07-2020 at 1:36am |
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Centek Marine offers a wide variety of marine mufflers for many applications. Try the link below:
LINK to Centek Marine JQ |
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Current
2003 Ski Nautique 206 Limited Previous 2001 Ski Nautique Open Bow 1994 Ski Nautique Open Bow Aqua skiing, ergo sum |
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DrewSki
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Posted: January-06-2020 at 10:13pm |
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Got a 1965 CC American Skier...351w...it has straight pipe exhaust ..with 2.5 inch exhaust pipe size.....my question is ...what are some top good wet muffler brands etc. it to tame it down a little?
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1965 Correct Craft American Skier. ...work in progress.
You don’t live but once! |
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Riley wrote: