VaThumper
TOI - Virginia
Can you use 2009 headpipes on 2010 triglide to avoid using cat in headpipe??:Shrug:
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Also I believe the O2 sensor bungs are a different size...I have a 2010 TG and I'm going the same route as you. I have a 2010 Stock Ultra exhaust system and thought about "de-catting" the header and using it, I'll also have to weld the longer right side pipe...Fule Moto and Fullsac are the best way to go, but add cost to the modification...if I were in you position and want to use a modified ultra exhaust I would check for a used 2010, HDforums has a classified section and sometime there's one posted for sale, also eBay is a good place to look.