Hello all new posting here but have been lurking gather info for awhile, great site lots of info. kudos to Glider, Hobbit among others. So I got an 09 Heritage and finally got some new parts. I got a TFI, V&H Big Shot Longs and A/N Big Sucker which I hope wasn't a mistake after reading some post lately. Looking at the TFI instuction it says to disconnect the O2 sensor so I am thinking I should just put plugs in new V&H pipes. Question should they be stainless plugs and should i put thread sealer or locktite (color?) on them and where can I get stainless plugs if thats the best kind. Any help to the newbie would be great as I am going to try to do this upgrade myself as soon has I find time. Thanks all