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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > performance mods

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      11-30-2012, 02:57 AM   #1
Drives: 09 BMW 328I
Join Date: Jul 2012
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performance mods

Ive been working mostly on visual mods on my car and upgradnig the audio system in the car. I am ready to now move towards performance, i understand its a 328i so im not going to be seeing 400hp or anything. However i would like a few mods to increase performance. i.e. exhaust, air intake, headers, etc. so if you guys could give me a little help it would be appreciated.
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      11-30-2012, 03:12 AM   #2
Route 16
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By chance did you upgrade your underseat woofers and they're just laying around?
Here's some visual

And here's my unending quest to play with exhaust.
Upgrade, CF hood, CF roof, CF trunk, lighter wheels, delete 2ndary cats, muffler, intake, 3 stage intake manifold, headers, last is always the tune.
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      11-30-2012, 04:11 AM   #3
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The 3 stage intake manifold and catless headers combined with an AA stage-2 tune is already the best bang for its buck in terms of money to HP for the n52.
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