Thread: 3S-GTE USDM Turbo Engine Downpipes
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Old 09-17-2007, 11:51 PM   #53 (permalink)
Sang
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Quote:
Originally Posted by Rainmens View Post
Pretty newb question here guys, but i was hoping you guys could explain the set-up. ON my Mazda 6 (4 cyl.) it's header-resonator-cat... how is it set-up on the MR2 turbo?
Exhaust manifold, turbine, downpipe (OEM assembly is elbow+cat), b-pipe/flex pipe, muffler section.

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I think i read somewhere there were 2 cat's?
Correct.

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I am very interested in getting the Berk Dp, is this going to delete one of the cat's and cause a CEL?
Yes, it will delete the primary cat, no, it wont throw a CEL.

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Or not allow me to pass emissions?
1 is enough to pass most sniffers. If you don't have a catback exhaust yet, i'd buy that instead of the downpipe. The primary cat works well for what it's supposed to do and the biggest exhaust restriction is in the b-pipe, not downpipe.
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