Originally Posted by Jays-f800gs
So I've been thinking about headers (arrow) I already have a booster plug, Leo Vince can and BMC air filter.
I've read I need a power commander and I've also read its not needed.
Would I need something to re-tune?
Mike F. At the Beemer boneyard, added headers and more open exhausts to one of his bike a BMSK-based r1200. Ran with a PC for a couple years but took it off and went with AF-XIED for BMW. Give him a call, but I can tell you he's pleased with the results.