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Stock Muffler with no Catalytic Converter

14777 Views 18 Replies 12 Participants Last post by  MiniMotoMan50, 
rkwfxd
Has anyone tried to just replace the head pipe? I am curious to know if removing the catalytic converter but leaving the factory muffler will free up any HP while still keeping it quiet.
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Josh@HOC
I was thinking about doing this....stock look with a little more sound. It'd be nice if it actually produced a little more power

2004 Honda 919
1978 Triumph Tiger
1989 Honda GL15 ( A work in progress...)
2014 Honda Grom ( Soon to come)
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