Quote:
Originally Posted by combatbmw
I have catless, and I can tell you it sounds and performs amazing.
I know badblack has a catted downpipe and he also reports gains.
So you have to ask yourself if the Smell will bother you, because if you like to cruise w/windows down.. the smell is very noticeable, I'm use to it and dont really mind. But its there, and the only drawback.
If I were to do it again, I would go catless, costs less, more gains, windows up.
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AJ said they both make the same gains and the cats really dont restrict flow (thats more the norm these days, cats arent nearly as restrictive as they were 20 years ago, especially metallic cats used in most aftermarket converter setups), but im with you, significantly cheaper for "off road" downpipes, and I still have a factory exhaust so im not worried about the sound now. Since he can shut the codes off in the tune, no reason for me not to go that route. Cant be worse than my old car with off road xpipe and running E85!