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Old 03-07-2017, 11:58 PM
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j2shay j2shay is offline
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alternative to silent master exhaust or fix? 2000 prostar 190 330 ltr

I think that during winterization I must have bumped into or kicked/stepped on my port side silent master muffler. I noticed coolant pooling in bilge. wiped it down and checked again and it was in fact coming from the transom end of the muffler. Can I take it to a fiberglass place to fix or just replace? Are there any cheaper/good alternatives to silent master brand? Appreciate all help.

Joel
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Old 03-08-2017, 05:06 AM
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Joel

Will post some pics later on today for you...of a stainless replacement system...you can buy and make your self...people have done it here on TT...Couple 3 1/2 inch 45 degree stainless elbows and 3 1/2 inch inline stainless mufflers...Cost about the same as replacement alternative and but more robust, and looks and sounds better than stock...well maybe just a bit quieter, performance about the same..Water in the bilge...you said coolant...hope it was just the RV pink stuff and not actual coolant if its the closed water system on your boat...but very common for the mufflers to leak at the ends...good find...can only cause more trouble out on the lake...To get the mufflers out...easiest way is to unbolt the exhaust manifold elbows...not the actual manifold bolted to the block...just the upper portion of the manifold held with the 4 bolts...the back bolts are a pain..more on that if you decide to do the job.
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Old 03-08-2017, 07:28 AM
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Gonzo Gonzo is offline
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I am not familiar with the name is this one of those Barrel Mufflers or do you have two Mufflers that are on the pipes on the way out? s if it is the barrel Muffler you can reglass spots

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Old 03-08-2017, 11:59 AM
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j2shay j2shay is offline
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They are silent master at least that what it says. They connect to a 3.5 in rubber hose that comes out of the riser. There is one on each side and they go straight to another 3.5 in tube I think they are around 28 to 36 in long based off of memory. new I think they are anywhere from 130 to 180 per muffler not a pair.
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Old 03-08-2017, 05:12 PM
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Quote:
Originally Posted by j2shay View Post
I think that during winterization I must have bumped into or kicked/stepped on my port side silent master muffler. I noticed coolant pooling in bilge. wiped it down and checked again and it was in fact coming from the transom end of the muffler. Can I take it to a fiberglass place to fix or just replace? Are there any cheaper/good alternatives to silent master brand? Appreciate all help.

Joel
You can actually do it, yourself. very easy. Many people, over tighten the band clamp, causing the inlet/outlet to crack. So take it,easy on the clamp.
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Old 03-10-2017, 10:02 PM
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ProStar 197 LTR Stainless Exhaust

Here you go...all stainless...Can buy inline marine stainless marine mufflers, elbow or have elbow made...buy some soft wet exhaust hose...stainless marine clamps with stainless clamp screws...Questions just pm me. They do sound good..notice the baffle plate to prevent water from backing up into the engine...best part, won't rust, seem won't come unglued like the fiberglass...system cost about as much as retail OEM replacement, but a better muffler if you ask me...
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Last edited by Fullpass; 03-10-2017 at 10:13 PM.
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  #7  
Old 03-11-2017, 02:45 PM
david_ski david_ski is offline
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I had a crack in one of my silent master mufflers 5+ years ago.
I too did a fiberglass patch and it never leaked again.
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Old 03-24-2017, 10:21 AM
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fiber glassed mine up also .
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Old 03-25-2017, 07:28 PM
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j2shay j2shay is offline
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That is a pretty sweet setup there fullpass. I think I am going to try to glass it myself and if it does not work I will let you know so I can try your setup.
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