Supertrapp

[Gearloose]

I have a 01 640R and it came with what looks like a internal disc supertrapp.Does one know if you can add discs to this particular exhaust.
New to this forum and KTM's,and this type of exhaust so any help would be great.
Thanks

 

[dstktmusa]

Yes, you can add or subtract disks, but your 640 has a "pre muffler" on it, so the sound may not change a whole lot.