If I remove the midpipe/stock muffler, and put an

[BowDown]

Do I need to get a PowerCommander if I pull the mid-pipe off, and replace it with a free flowing muffler?

 

[rubber2burn]

YES

 

[webbashl]

I have baffle free stubbys on mine. I believe it's running a little lean, but I've put 2000 miles on it with out one.

 

[BA BUSA]

NO you don't...it's the same as putting on bolt ons. A PC would let you tune the bike to run a bit smoother, but the PC is NOT needed

 

[BA BUSA]

(rubber2burn @ Sep. 09 2007,15:35) YES

Come on brother the header is the restriction in the stock systen...not the cans

 

[BowDown]

I put a pair of screaming eagle mufflers (early versions) on mine w/turnout. OMG it sounded so nice at idle, and really screamed at >5k. I just need to make some 1-7/8" elbows or custom bends to tuck them in a bit, and clear the kickstand.

Here's a pic: