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Originally posted by SWRT_M3 View PostThey look okay at best...
Section 2 is 2.25" OD and you lose the crossover H. Not sure its much of an upgrade over stock.
https://www.topgear-eurosport.com/bm..._type=exhausts
There is no mention of tubing diameter.
Having a really hard time finding a bolt-in section 1 with cats [edit:] that isn't a ton of money (Fabspeed, SS, etc.).Build thread: Topaz Blue to Shark Blue
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Originally posted by Casa de Mesa View Post
Yeah, agree on Section 2, I should have been more specific. I was looking at their section 1 with 200 cell cats:
https://www.topgear-eurosport.com/bm..._type=exhausts
There is no mention of tubing diameter.
Having a really hard time finding a bolt-in section 1 with cats [edit:] that isn't a ton of money (Fabspeed, SS, etc.).'03.5 M3 SMG Coupe - Jet Black / Black
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Originally posted by r4dr View Post
That's suspiciously cheap, I'd be curious what brand of cats they're using. Fabspeed and SS are definitely priced at a premium, but even if you take that out of the equation they use high quality cats (HJS I think?) which aren't cheap. If you're looking for a catted section 1 and don't want to spend a lot of money, the Euro section 1 pipes could be an option. That would have OEM-quality cats.
Are the Euro cats 400 cell? I know they are less restrictive than the US market cats/manifolds, but I'm not sure how much less restrictive.
I may just pulled the trigger on the Fabspeed. I like supporting American companies.Build thread: Topaz Blue to Shark Blue
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Originally posted by T.J. View PostThese look interesting
https://www.schmiedmann.com/en/bmw-E...t=SCMSPCAT46M3Build thread: Topaz Blue to Shark Blue
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