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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 > What mod I should get next



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      04-17-2012, 12:57 AM   #1
Chicks-Love-Bimmers
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What mod I should get next

Right now I'm running procede v5 stage 2 with catless down pipes, fmic, and dci. I would like more sound and performance, but at the same time this is a daily driver and would like to keep the engine healthy and strong. I was thinking either a full dp back exhaust or diverter valve/bov + oil catch can. My question is, which one should I get to run stage 3 most effectively? Is the dv & occ THAT necessary to run stage 3 better? I know the occ won't do much, but it can help with collecting oil that could rob me of performance and the diverter valve could help with holding higher boost.
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      04-17-2012, 01:33 AM   #2
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Replace secondary cats with vibrant resonators.
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      04-17-2012, 01:38 AM   #3
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If you really want more power, meth is the answer.
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      04-17-2012, 01:45 AM   #4
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Meth is definitely on my list, but I'd like to just go FBO before I do that and sound is what I want as well. Are there any performance gains and any noticeable change in the exhaust by replacing the secondary cats?
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      04-17-2012, 02:27 AM   #5
enrita
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Quote:
Originally Posted by Chicks-Love-Bimmers View Post
Meth is definitely on my list, but I'd like to just go FBO before I do that and sound is what I want as well. Are there any performance gains and any noticeable change in the exhaust by replacing the secondary cats?
gains not that much. Get meth instead.
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      04-17-2012, 05:56 AM   #6
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Quote:
Originally Posted by enrita View Post
gains not that much. Get meth instead.

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      04-17-2012, 06:08 AM   #7
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get a meth kit, oil catch can, and take off your engine cowl. youll get your sound, performance, and keep oil out your engine.
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      04-17-2012, 08:36 AM   #8
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+1, Meth and OCC
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      04-17-2012, 12:23 PM   #9
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If you're not up for doing Meth, get a good chargepipe and diverter valves. OCC is a must on this car as well.

I went with an ER Charge pipe, Forge DVs and a BMS OCC. All fit and work very well.
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