My son has a 2015 85 was just interested in riding now picked it up and running with the top guys in his class in most events thinking of putting a good pipe system on any recommended one will it give me more power
Typically FMF Fatty or PC Racing for more top end power, but not sure about the 85. Looks like Bill's Pipes, Scalvini and HGS are also available. Assuming the TC85 is the same as the KTM, maybe check on the KTM forums. Also, the guys at Bill's Motorcycles Plus know all and are very helpful.