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      04-04-2012, 07:15 AM   #44
TSM330i
2006 330i, TSM, Black, manual, sport
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Drives: 2015 GTI, E86 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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2015 GTI S, 6M, LP, Volk TE37SL 17x8.5, Michelin PSS 245/40, HPA SHS Coil-Overs, Peloquin LSD, Sachs SRE, Eurocode F/R Sway Bars, SuperPro Control Arms, Remus Catback, APR Stage 1 Tune, APR CAI, Aero Force Gauge Pod, APR Boost Gauge, Kersher Front Lip, Short Shifter, Tyrolsport Deadset, Stoptech BBK, HPA Dogbone
2008 BMW Z4 3.0si Coupe - because racecar