06 SI high-flow cat

Questions / support for the K-Series ECU re-flash
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somedaySI
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Joined: Wed Feb 28, 2007 7:56 pm

06 SI high-flow cat

Post by somedaySI »

I was wondering if the reflash for the 06 SI has been tested with a high flow cat (and intake) or if there are estimated gains. It seems that the largest gain with this reflash is achieved with an intake and a race header. I do not want to eliminate the catalytic converter but I wonder if the stock header and a high flow cat would come closer to the gains of the race header.

Thanks
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Hondata
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Post by Hondata »

Without dyno testing it is not possible to tell, but the gains from a high flow cat are usually very small.
Hondata
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