can you just get by with simply wire up o2 simulator? I know old e46 I had worked .. but I havent tried or anything on new one..
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Originally Posted by happos2
I am not the OP obviously, but the 2ndary cats are essentially HFC (200 cell I think). So removing them, you will gain some power, but probably not that much. I am not sure on sound...
If you don't want to spend $2k+ on a pipe, may I suggest Test Pipes to remove the primary? ~$400 plus some way of removing CEL if that annoys you (couple different ways of doing this with the Tune being the most expensive.)
Just point the thought in your head if you didn't already have it!!
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