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Originally Posted by bobit69
Not soo much Backfiring i.e. Popping (intentional), but the rumbling of the exhaust when closing the throttle, any ideas as to what problems this can cause on an FI SV? 
My Viper has a bit of a rumble to it (specially when I made it High Level!  ) , just a little concerned of the long term effects???? |
Normally means your running a bit rich.. probably due to the can change... might want to get it 're-mapped'.. I think thats right... I have carb'd bike so I'm not really sure.