I finally got around to ordering the D&D Fat Cat header for my 06 WG. Wondering if anyone can chime in about the gaskets. Did you use what was supplied by D&D? I have always used the screamin eagle high performance style exhaust gaskets. I never got a good seal with the crush style. I also want to say Fuel Moto was a big help on all of this. I got my powervision from them too a couple of years back and they have the best service I have encountered.

 

I have found that the high-quality exhaust manufacturers generally supply high-quality gaskets. My Rineharts came with the SE flat gaskets. I would expect the same with your D&D purchase.

 

I've found the most success with the tapered crush and the solid copper