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Old 06-26-2005, 11:23 AM
Cutting-edge Cutting-edge is offline
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Join Date: Jun 2005
Location: Florence, AL
Posts: 6
Source for a quiter muffler

Anyone know where I can find a quiter muffler designed to fit a B&S twin? I can get my welding/fab guy to build something custom but I was wondering.
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Old 06-28-2005, 03:13 AM
CCWKen CCWKen is offline
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Join Date: Nov 2004
Location: Lytle, TX
Posts: 113
Be careful adding custom or additional fixtures to the exhaust. The engines are designed to use certain muflers. Adding more back pressure (needed to reduce noise) can cause burned exhaust valves and/or a poor running engine.

A better way to control noise would be to shield the muffler or it's directed exhaust. If you wrap "the can", leave the pipe alone.

Last edited by CCWKen; 06-28-2005 at 03:20 AM.
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Old 06-28-2005, 10:45 AM
LawnSite Bronze Member
Join Date: Dec 2002
Location: Encinitas, Ca. 92024
Posts: 1,426
If you take a Flowmaster from one side of a 350 cubic inch Chevy exhaust, modify the inlet for both pipes, the gears inside the engine will make more noise than the exhaust coming out. Our neighbor did that to his RV generator and you can't even hear the thing run.
Bill Schwab
Naturescape Landscape Co.
Encinitas, Ca. 92024
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Old 06-29-2005, 12:41 AM
Cutting-edge Cutting-edge is offline
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Join Date: Jun 2005
Location: Florence, AL
Posts: 6
I was thinking of building a collector and then a cheap muffler from Tractor Supply, aim the muffler down. I picked up one that's straight-through but thinking a multi-chamber would be quieter. I certainly would not think there would be any more backpressure using a muffler intended for a 3 or 4 cylinder tractor.
Thanks for the input.
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