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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 05-31-2016, 07:24 PM   #1
EstimatedProphet
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Join Date: May 2016
Location: South Carolina
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My Ride: 2003 BMW 325i
Straight Piping 2003 BMW 325i

I have a 2003 325i and was thinking about straight piping it. I don't want it to be super loud but I want it to sound sporty. Anyone have any tips? Like how much should be removed, what cats or resonators? General cost?
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Old 05-31-2016, 08:16 PM   #2
alpinemk2
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Best thing to do is YouTube some straight piped cars/resonator delete/muffler delete videos. It will give you an idea. I went with just a muffler delete and it actually sounds pretty good. I don't have any droning issues either.
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Old 05-31-2016, 09:32 PM   #3
orb
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Totally classless, not recommended. Get a proper exhaust like a ZHP or Active Autowerke rear muffler.
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Last edited by orb; 05-31-2016 at 09:33 PM.
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Old 06-01-2016, 05:43 AM   #4
Solidjake
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Search the forum for muffler delete. Massive thread on it...
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