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Originally Posted by RaddDroid7
Same. I was planning on getting the AA catted DP but then saw this so im kind of intrigued now.
What's the the pros and cons of getting this one over the AA?
Only one I think of is the diameter, AA is 4.5" and MST is 6"
Will it be that big of a difference or will I just get more sound with the larger diameter ?
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From what I have seen, the only pro is that this product's retail price is cheaper.
You won't see any power difference vs AA on the stock turbo, maybe on the upgraded turbo but no data out yet.
The Pro of the AA is that it's more proven without thousands in use for years; in the very rare occasion you get a check engine light, AA stands behind their product and will replace the downpipe.
Also, AA uses EPA-approved GESI cats. MST does not release the cat used in their downpipe.