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Old 03-28-2009, 07:11 PM
Large Filipino Large Filipino is offline
Motorized Bicycle Elite Member
Join Date: Jul 2008
Location: Northglenn,Colorado
Posts: 656
Default Re: Performance difference Black EPA muffler and Chrome non-EPA muffler

I have reservations about the Cat muffler because I use a high oil/gas mix (8oz to a gallon) to ensure I'm getting lubricated. Do you see any less black drips from the pipe in the mornings after a ride from the other day as compared to the non cat pipe?
It sounds like to me the higher heat may in fact help to burn off the excess oil but it may also damage the beads that does the job of cleaning the air.
I would also assume they had to have made the hole a bit bigger inside for better flow and the quieter design is due to it being longer.
Please let us know how it holds up down the road.
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