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Q: GS750B muffler
Gday all, Just after some suggestions / ideas please.
sorry about my ramblings but please stick with me while I get my questions across.
Ok, my bike is the 77 GS750B and has the wiseco 850bb kit fitted, rejetted (cant remember the jet sizes, I think its 112.5 mains from rough memory but I have recently upended my office and now can not find my sheet with the exact specs of my bike for various things.
Ok, the when I got the bike it had a 4-1 pipe set and a alloy can style muff of unknown brand but it is VERY large and had a lovely note to it, though the baffle is a rolled cage with small holes in it.
About a year ago I placed a 2nd hand tranzac muff (also alloy can style) onto the bike and it had a totally different sound, it should sound different (quieter) too because it is about 1/3 less in size and the bike sounds like a sewing machine it is that quiet but felt much more responsive on the throttle.
I found that the jetting was fine with both systems which was pretty surprising as the tranzac is much smaller in the baffle tube (restriction) .
Well, I recently decided to send the whole exhaust away for coating and had to strip the baffle out and remove the fibreglass wool from it so they can coat it. I found that the baffle tube is all but gone, eaten away :O And replacement is unavailable as they stopped making them years ago now.
Well I dont know what to do now because I liked the note of the unknown brand can, but the tranzac provided more throttle response.
I did google about the muffler but didnt really find anything that could firm my opinion up :'(
Does anyone out there have any suggestions? I may have to grab a new muff but dont know whats out there to suit, or a reasonable price ( I did find some up to OMG $1200 during my google search lol)
sorry about my ramblings but please stick with me while I get my questions across.
Ok, my bike is the 77 GS750B and has the wiseco 850bb kit fitted, rejetted (cant remember the jet sizes, I think its 112.5 mains from rough memory but I have recently upended my office and now can not find my sheet with the exact specs of my bike for various things.
Ok, the when I got the bike it had a 4-1 pipe set and a alloy can style muff of unknown brand but it is VERY large and had a lovely note to it, though the baffle is a rolled cage with small holes in it.
About a year ago I placed a 2nd hand tranzac muff (also alloy can style) onto the bike and it had a totally different sound, it should sound different (quieter) too because it is about 1/3 less in size and the bike sounds like a sewing machine it is that quiet but felt much more responsive on the throttle.
I found that the jetting was fine with both systems which was pretty surprising as the tranzac is much smaller in the baffle tube (restriction) .
Well, I recently decided to send the whole exhaust away for coating and had to strip the baffle out and remove the fibreglass wool from it so they can coat it. I found that the baffle tube is all but gone, eaten away :O And replacement is unavailable as they stopped making them years ago now.
Well I dont know what to do now because I liked the note of the unknown brand can, but the tranzac provided more throttle response.
I did google about the muffler but didnt really find anything that could firm my opinion up :'(
Does anyone out there have any suggestions? I may have to grab a new muff but dont know whats out there to suit, or a reasonable price ( I did find some up to OMG $1200 during my google search lol)
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