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I have been thinking about getting a race header, either FC or FS, but want to try and retain emissions? I was thinking about the race header->aftermarket flexpipe w/FC cat welded in->MBRP catback. Would that work? What is everybody's suggestions? I would like to know soon, as I just purchased the MBRP, and if I am going to do that, I might just order the other stuff and install it all at once.
 

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That should work well.
I saw someone that had a full cat-back, flex pipe, race header and a cat installed in the cat-back....it was removeable and had a test pipe you could put in it's place for track days.

What diameter tubing is the MBRP? if it is 2.5" you will have problems finding a cat to fit in a 2.5" flexpipe.
 
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