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Removing Catalytic Converter Question

39289 Views 50 Replies 20 Participants Last post by  Joooooooosh
Was a a bike meetup recently and a guy had an aftermarket slip on exhaust pipe with CAT removed. Was wondering if the will mess up airflow/performance?
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In my case it affected the spread of torque so did a remap and runs better than any stock bike now :)
I go with what Josh said. On swapping out the standard exhaust for an SC Projects I was not to happy with how it ran as the ECU is programmed for the stock set up. Eliminating the 02 sensors to get rid of that closed loop circuit and adding an after market air filter and remap....the bike runs better and picks up speed better. I have no way of proving this but then I do not feel I need to. All I know is when bike was in for last service and I took out a demo scrambler the difference was obvious.....
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