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Discussion Starter #1
I went to the Dr. Gas website researching x-pipes, and I read that the x-over needs to be in front of the cats to be smog legal. I don't think I've seen any Mustang x-pipes set up like that. I'm in California and I plan on swapping the cats from my h-pipe to an off-road x-pipe.

Also, is there much variation in sound and quality between BBK, Bassini, and Dr. Gas?

Thanks
 

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I would like to know also because last night I looked under at my "mac high flow h-pipe and the left converter was glowing red:mad: plus my car started running like crap at low speeds, hesitating some. So I ask my dad and he said that a bad Catilytic converter can cause problems.
What are the symptoms of a bad cat converter, is it what I'm experiencing?
If so will be buying a bassani high flow.:D
 

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Discussion Starter #3
ttt
 
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