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General E46 Forum
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Old 10-20-2009, 11:21 PM   #1
Pharaoh2716
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My Ride: 2001 BMW 330CiC
How do I make My Exhaust Louder?

I have a 2001 BMW 330Ci, and I installed a Borla Catback exhaust on it. The exhaust sounds nice, after the car has been running for a while, but I am looking to get it louder. I do not want to put headers, as I do live in Cali and smog test will be a pain. any suggestions??
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Old 10-21-2009, 12:02 AM   #2
mkodama
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Remove it and replace with tubing.
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Old 10-21-2009, 12:15 AM   #3
mvrk10256
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buy a muscle car.
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Old 10-21-2009, 12:15 AM   #4
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+1, I took off my second resonator and muffler and I love it
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Old 10-21-2009, 12:31 AM   #5
mack89
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Well mine has cut-off muffler, ex-owner must loves muscle cars anyway, try that..
And if you want it louder....put a speaker on muffler. make it loud
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Old 10-21-2009, 12:37 AM   #6
TiAgTouring
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1) Straight pipes...remove both resonators
2) Headers and no cats
3) Remove exhaust
4) Get after market exhaust/ ZHP exhaust
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Old 10-21-2009, 12:46 AM   #7
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I did a muffler delete on my 330 recently and it sounds pretty good. Loud enough, but not too loud and not too raspy. I wouldn't remove the resonator though. I'll try to get some video up soon. It's definitely a cheap alternative to a catback system or even an aftermarket muffler. You just have to pay for straight pipes and labor + some nice tips.
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Old 10-21-2009, 12:49 AM   #8
Acarder
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1) Straight pipes...remove both resonators
2) Headers and no cats
3) Remove exhaust
4) Get after market exhaust/ ZHP exhaust
He has a catback exhaust.. and probably not best to recommend people buy a ZHP exhaust. I'd be pretty annoyed if I spent a few hundred shipping and installing an exhaust off a ZHP just to have my car sound no different.
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Old 10-21-2009, 12:55 AM   #9
01330cifirstbmw
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+1, I took off my second resonator and muffler and I love it
Do this.... I had my muffer taken off and replaced with glasspacks (search kpeng exhaust)... at an idle, it had a deep tone....when you step on the gas, had a nice eve deep tone to it... on highway, the drone was ok....
Had the 2nd resonator taken out and now sounds so much sweeter... more like a bmw rather than any other car with a loud muffler... at idle and highway, it's actually quieter than before but when you step on the gas
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Old 10-21-2009, 01:00 AM   #10
justin0o
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He has a catback so im pretty sure he doesnt want to cut off the muffler.
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Old 10-21-2009, 01:04 AM   #11
alibusoul
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He has a catback so im pretty sure he doesnt want to cut off the muffler.
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Old 10-21-2009, 01:06 AM   #12
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Old 10-21-2009, 01:07 AM   #13
TiAgTouring
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ZHP wont make too big of a difference on 330, true. Will make decent difference on 323/ 325.

It all depends how loud you want it...
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