2011 FLXH Exhaust Heat Shield...?
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Mark
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The area of the exhaust pipe you are talking about has a catalytic converter inside the pipe. It is intended to reduce emission levels coming out of your exhaust. How it does that is basically by building so much heat inside itself, it burns the hydrocarbons & other gasses as they pass through. The catalyitic converter also restricts the exhaust flow coming from your engine. This lowers performance in most cases. The best way to "decat" meaning, to get rid of the catalytic converter is to replace the head pipe. That is the section of exhaust pipe that the cat is in with one that does not have a cat in it. Some people are cutting that section of exhaust pipe in two & actually gutting the cat out. Then welding that section back together. Many people say this works fine. The problem with this is that you have two oxegen sensors that are located in front of the cat. Because of where they are located in proximity to the cat on the stock pipe, there is a possibility they may not function properly. The oxegen senser is basicly the heart of your fuel management system. IMO,,, the best thing to do is buy a new aftermarket head pipe without the cat. It is designed to allow the oxegen sensors to work properly without the cat. If you asked which one is best,, again in my opinion, the fuel moto jackpot head pipe works great. I purchased one for my 2010 ultra and I am very happy with it. Its a very high quality part.
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RhinoGaudet (05-14-2023)
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