well I own a 2 stroke motorcycle parts and accessories company and I sell performance parts for the NSR (I actually have an NSR).
I dont sell arrow exhausts because.. well everyone I know thats had one, they have fell apart.
I sell Jolly Moto and Jim Lomas both exhausts are great for the nsr, if you PM me I can give you a price, or if andy does not mind I can post a price on the board.
Thanks
Enjoy the nsr.. Jon
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NSR 125 [WEST]