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Old 12-13-2012, 10:39 AM
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Glass packs in the collectors

I've just pulled the mufflers out of the collectors to see how they look. Of course I have no idea how they should look. They seem pretty burned at one end (the engine end) and fine at the other. I've never seen the inside of a used regular glass pack muffler so is this what one would expect? My thought was to replace the burned out glass with steel wool for longevity and a little more quiet. They have about 12K miles on them. Is this just a waste of time or a good idea???
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Old 12-13-2012, 10:52 AM
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Steel wool ???

Hi,i dont kbow if its a good idea or not,since I havent done it. BUT,if you use steel wool,find the STAINLESS STEEL WOOL,it wont burn out so quickly...
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Old 12-13-2012, 11:23 AM
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Quote:
Originally Posted by 46highboypu View Post
I've just pulled the mufflers out of the collectors to see how they look. Of course I have no idea how they should look. They seem pretty burned at one end (the engine end) and fine at the other. I've never seen the inside of a used regular glass pack muffler so is this what one would expect? My thought was to replace the burned out glass with steel wool for longevity and a little more quiet. They have about 12K miles on them. Is this just a waste of time or a good idea???

Really bad idea so close to the exhuast port it will melt and burn in seconds at full throttle. just toss a small piece of steel wool on a fire or on the stove it will burst into flames so fast you will understand what i am talking about. Also I said small peice not an entire junk dont want to see you burn your house down. it does burn alot faster than most people think it will. Best to be on the safe side.

I would remove the thing can and all and leave the headers with proper header mufflers or exhuast at the rear where its cooled down some and wont rust your entire system. Glass packs also flow like crap. its amazing how bad they actually are I have seen mufflers that you can look thru like a telescope absolutly kill hp output. Even open exhuast is usally better. Flow master does make some systems that are more or the same power as open headers. I would try to get a proper system desinged for your ride. even the bolt on kits can make really close to open header performance if its a mild NA build (below 6500 rpm).

Everytime i have used glass pack style muffler on car truck or bike it has made less power than proper exhuast. Only time its usable is if you have a motorcycle and need to have a 3 pound muffler. glass packs can be made to work when properly over sized like in sport bike applications where the can is three to six times the size of the pipe needed if empty.
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