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bike grim wrote:It could be my ears but I’ve got V3 on one scooter and V4 on a new motor I’ve just tried and the V4 seems quieter as well
peejay wrote:i must just be unlucky with my exhausts, my V1 on an RT225 was deafening, most dissappointing as i believed all the BGM hype about it being near to standard noise, no way!
tried the V3 slightly quieter and deeper note but still deafening, i give up with BGM exhausts
Adam_Winstone wrote:To be fair to the BGM pipes, exhaust port size has a big influence on the exhaust noise and the RT kits do have a pretty big exhaust port. If you were to put the same exhaust on a kit with smaller exhaust port then the noise would be very different.
Unfortunately, clubmans can only go so far on tuned kits before you start to get loud with the options being a change to an expansion, with muffler, or to a more restrictive pipe and accepting the inevitable loss of some performance.
Adam
peejay wrote:Adam_Winstone wrote:To be fair to the BGM pipes, exhaust port size has a big influence on the exhaust noise and the RT kits do have a pretty big exhaust port. If you were to put the same exhaust on a kit with smaller exhaust port then the noise would be very different.
Unfortunately, clubmans can only go so far on tuned kits before you start to get loud with the options being a change to an expansion, with muffler, or to a more restrictive pipe and accepting the inevitable loss of some performance.
Adam
thanks for that Adam
when i bought the BGM bigbore for my standard RT 225 i just assumed that they would be compatible being as the two companies have a close working relationship.
the excessive noise just spoils my riding pleasure
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