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exhaust
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Posted by: dannyboy20
im looking to get a pipe but i want something somewhat quiet. any suggestions ?
Posted by: Rip_Tear
First, you gotta start giving more info 
These are some "Silencers" for a 400ex:
T-4 silencer - Procircuit
Power Core IV-2 - FMF
There are also adjustable pipe or silencers out there that you can run, not much is going be quieter then stock. You can get some power gains with a K'n N air filter, and carb modifications that won't affect sound much, if any
Please try giving more info next time, and put a list of mods, if any in your signature 
Posted by: Booth440ex
white brother E series with quiet core or FMF Magamax with quiet core or any othe rwith the quiet core option
Posted by: sweet300ex
White Brothers E Series w/quiet core or HMF w/quiet core
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