2006 Train, going to put those cheap a%% Big Growl pipes on it. Who has them cheap? What size baffle do i put in these. Also putting on Ness stage one air cleaner, do i need to mess with jets? Thanks!

 

American classic motors on ebay have them cheap. BG's are normally 2 1/4 so they would take a baffel with 2" od "Outside Diameter" Yes you should rejet the carb.