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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 > Would an exhaust do more than DP and FMIC?



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      03-21-2012, 11:19 AM   #1
Carrera24
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Would an exhaust do more than DP and FMIC?

Looking to get my next mod soon. I am between an exhaust or DP and FMIC?
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      03-21-2012, 11:21 AM   #2
Jeff@TopGearSolutions
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Quote:
Originally Posted by Carrera24 View Post
Looking to get my next mod soon. I am between an exhaust or DP and FMIC?
Downpipe would add the most power between the 3 options. FMIC would add more consistency, safety(Intake air temp reduction) and more top end.

Cat back exhaust will only help after the other 2 mods have been completed, from a power stand point.

The correct way to modify from a safety priority and power stand point would be FMIC, Downpipe, catback in that order. Especially for someone in hotter climates.
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      03-21-2012, 11:22 AM   #3
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Quote:
Originally Posted by Carrera24 View Post
Looking to get my next mod soon. I am between an exhaust or DP and FMIC?
exhaust is for the sound. I saw a lot of difference when I installed my DPs, and felt the same when I installed my FMIC.
it all depends on the conditions where you live.
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      03-21-2012, 11:24 AM   #4
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No. Exhaust (I'm assuming you mean like a catback exhaust) will do almost nothing but change the sound.
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      03-21-2012, 11:30 AM   #5
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Quote:
Originally Posted by Jeff@topgearsolutions View Post
Downpipe would add the most power between the 3 options. FMIC would add more consistency, safety(Intake air temp reduction) and more top end.

Cat back exhaust will only help after the other 2 mods have been completed, from a power stand point.

The correct way to modify from a safety priority and power stand point would be FMIC, Downpipe, catback in that order. Especially for someone in hotter climates.
/THREAD.
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      03-21-2012, 12:10 PM   #6
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Great thanks for the advice. I will be ordering the DP and FMIC. I already have an AFE intake and jb4. Trying to get the best results.

Car feels good, but when I get on it hard it's like it's asking for more. I don't want to say it hesitates, but it feels like something is holding it back.
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