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Dyna Glide ModelsSuper Glide, Super Glide Sport, Super Glide Custom, Dyna Glide Convertible, Super Glide T-Sport, Dyna Glide Police, Dyna Switchback, Low Rider, Street Bob, Fat Bob and Wide Glide.
The pipes will fit, it is the mounts that are different. I am running custom pipes that I built from 08 Fat Bob head pipes on my 05 Wide Glide.
If quiter is what you want, you might look at the BCT QQ baffles for your Big Radius. I had them in my previous Big Radius and they do give a very nice sound a bit lower in tone than the stock BR baffles.
You can also wrap the baffles with a good fiberglass wrap.
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