2013 Mazda2 Header Options with Catilitic Converter?

Hey all,

Looking to see if anybody knows anything about custom headers for the 2011-2014 2. I purchased the new short tube header from dynotronics, but I didn't realize that this involved removing the catalytic converter, which I don't want to deal with.

I found this magnaflow header that has the cat integrated: Magnaflow 22-064 | Mazda 2 | 1.5L | Exhaust Manifold With Integrated Catalytic Converter . Has anybody had any experience with this part or am I wasting my time/money for a bit of hp gain here?
 
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