E46Fanatics - View Single Post - Headers Installed....now how do I get rid of the rasp!
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Old 03-12-2009, 07:13 PM   #38
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Originally Posted by kraimer View Post
Hey James,
What other mods do you have? Have you also dynoed the car after the headers? Since mine is stock right now, I want to do a baseline run on a dyno so I'll be able to compare it to my other mods. If you or if anyone else has a dyno run of just the headers with/without cats that be great.
Another reason I want to add the cats is to get rid of that awful smell.
I have a s/c and fi cams so I have no idea how much headers add.

I'd just add the cats because you can smell the fumes with the windows down.
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