RS3 exhaust Mapping??????

 Thanks guys for all the help  got my RS3 on last night and it sounds great.  I can’t wait until the weather warms up and i can ride.  Although when i started the bike up seemed to back fire.  i am getting the power commander over the summer.  Do u think that i should have the bike re-mapped before i get the power commander?  Will it run like shit without getting mapped ?

You need the PC (or similar fuel programmable devices like 2brother's Juice-box) for re-mapping and the bike won't run like shit without it.

I was running the slip-on RS3 on my 2002 F4i (no PCIII), it felt pretty good (ran like this about 4 months). It didn't run like shit.
 
I finally installed a PCIII (used standard issue RS3 map from PC) and noticed smoother delivery in the low end.
 
-Sy

I have had an Rs3 without a pc on my 01 f4i for over 3 years with no issues at all. Although I do have a pc3 coming in the mail. 100.00 off e-bay. gotta love desperate people...