Hi, I have a 1998 Liberty 125 (pre-leader) and my exhaust is blowing on the downpipe but the silencer is fine. It looks like the original exhaust and it looks like it consists of 2 pipes bolted together; the front downpipe which bends and exits at the right side of the aircooling intake & the rear silencer which mounts to the engine in front of the rear wheel. Therefore it seems, you mount the downpipe (which is fiddly) and then when your silencer goes you just undo the bolts to the downpipe, undo the rear mounts and replace it with a new one. SO does anybody know where can I buy just a new downpipe? New Liberty 125 exhausts all seem to have the complete pipe - some have the downpipe already mounted and sold as part of the silencer - while others have a single pipe from the silencer to the engine exhaust port. Thanks, Mark.