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2006 330i, TSM, Black, manual, sport
Drives: '17 C2, GTI, Z4 3.0si Racecar
Join Date: Nov 2005
Location: Chester Springs, PA
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Target price is $1,200
They aren't designed yet, so we have no idea of pipe sizes.
The e46 M3 headers have an option for ceramic coating so I don't know why they wouldn't offer that option for the N5X header (it's $335 extra).
I'd imagine you'd have to install a high-flow cat to pass emissions. I'm actually going to be doing just that myself. I'll have them dyno test with and without the cat so we can have a comparison.
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2017 Porsche C2 - manual of course
2015 GTI S
2008 BMW Z4 3.0si Coupe - because racecar
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