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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Bastuck cat-back vs. Bastuck w/downpipes vs. AE full exhaust



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      11-02-2010, 07:53 PM   #1
jahmed78
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Bastuck cat-back vs. Bastuck w/downpipes vs. AE full exhaust

I'm looking for at least some performance boost, a nice growl, and no headache with emissions.

I'm specially curious about Bastuck paired with stock downpipes vs cat-less downpipes. How much sound difference? How about emissions? Big performance diff?

Thanks!
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      11-02-2010, 08:02 PM   #2
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wrong section
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      11-02-2010, 08:06 PM   #3
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oops...new to this lol
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      11-03-2010, 12:35 AM   #4
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