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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

View Poll Results: What Will Be Louder
Current Setup 2 40.00%
2nd Setup 3 60.00%
Voters: 5. You may not vote on this poll

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Old 02-13-2009, 11:04 AM   #1
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Arrow Exhaust Question.

What will be louder?

2.My Current Setup

Headers, first resinator, and Rogue Ikon

2.Second Setup

Headers, 2 glass packs in place of resinator, and Rogue Ikon
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Old 02-13-2009, 11:10 AM   #2
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i guess #2.. if you want it to be LOUD, get straight pipes
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Old 02-13-2009, 11:12 AM   #3
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Sound clip?

That can't be that loud... Are the OEM cats still in place?
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Old 02-13-2009, 11:19 AM   #4
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Quote:
Originally Posted by Halston@BSW View Post
Sound clip?

That can't be that loud... Are the OEM cats still in place?
No OEM cats
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Old 02-13-2009, 11:25 AM   #5
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I imagine the glass packs would muffle more than the resonators but i may be wrong
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Old 02-13-2009, 11:38 AM   #6
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that's tricky
I would guess number 2 with Turk (because you don't have cats) but I could be completely wrong
You could try and lets us know Swinny!
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Old 02-13-2009, 11:55 AM   #7
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No OEM cats
Some cats would quiet it down a lot...

A lot of your noise is coming from that.
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Old 02-13-2009, 12:00 PM   #8
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Quote:
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Some cats would quiet it down a lot...

A lot of your noise is coming from that.
I know but I dont want to quiet it down that much. Just a hair
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Old 02-13-2009, 02:20 PM   #9
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I know but I dont want to quiet it down that much. Just a hair
A racing cat then.

Seriously though. Taking your cats out is not making your car faster most of the time. Flooring it above 5 or 6K sure. Driving around town the torque sacrificed along with the power curve moving east means it's a touch slower...
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Old 02-13-2009, 02:39 PM   #10
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Quote:
Originally Posted by Halston@BSW View Post
A racing cat then.

Seriously though. Taking your cats out is not making your car faster most of the time. Flooring it above 5 or 6K sure. Driving around town the torque sacrificed along with the power curve moving east means it's a touch slower...
ANy recomendations? Also the cats come off my car as soon as you remove the OEM headers
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Last edited by SWINFORD; 02-13-2009 at 02:41 PM.
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Old 02-13-2009, 03:22 PM   #11
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E46 330ci has in header Cats? I thought only the E46 M3 was like that.

Random Technologies makes nice cats. Little pricey but very nice.

What size piping do you have? Some guys have good luck with some of the eBay 'racing' cats. Very high flow but at least clean it up a little bit.
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Old 02-13-2009, 04:23 PM   #12
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Quote:
Originally Posted by Halston@BSW View Post
E46 330ci has in header Cats? I thought only the E46 M3 was like that.

Random Technologies makes nice cats. Little pricey but very nice.

What size piping do you have? Some guys have good luck with some of the eBay 'racing' cats. Very high flow but at least clean it up a little bit.
yea.

I might give that a shot
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Old 02-13-2009, 04:26 PM   #13
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