MFactory West Carbon Silencers

Does anyone know if these will bolt onto the micron exhaust for the NS125R F Reg (1989)????

Or Does anyone know of a race exhaust that dosn't sound so tinny?

Re- built my silencer to get rid of it a bit! More thump, now just a bit too loud for the MOT.
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2003 NS125R (X Track Bike)
2001 NS125F
2000 Suzuki GS125
1999 Suzuki TS50ER