Cat removal=??
So what.........? You cut the cat off and let the exhaust come straight out the head pipe? I see you don't have the stock muffler though because without the cat and keeping the stock muffler there's no drone AND 50 deg. unloaded on flat ground is quite a bit AND the exhaust WILL smell like a diesel AND that cat/Magnaflow isn't helping you as much as a no-cat/stock muffler does. But hey, to each his own!
So what.........? You cut the cat off and let the exhaust come straight out the head pipe? I see you don't have the stock muffler though because without the cat and keeping the stock muffler there's no drone AND 50 deg. unloaded on flat ground is quite a bit AND the exhaust WILL smell like a diesel AND that cat/Magnaflow isn't helping you as much as a no-cat/stock muffler does. But hey, to each his own! 

http://www.dpsdirect.com/
My point is only relevant for the new "quite" 600 engines. But feel free to argue with this guy...
http://www.dpsdirect.com/
http://www.dpsdirect.com/
and my smeller is jaded
!
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