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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.

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Old 04-16-2010, 06:28 PM   #1
M3isKing
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My new Highline Catback/ebay headers set-up....Question

Hey guys!

Just thought I would post to ask all you experts out there. I just had these parts installed, and I am getting a really raspy (almost tin-cany) sound from about 3K to 3.5K

I have a 323i.

I haven't heard it come from a highline setup with headers before. Is it just because it's a 323 and not a 325/330? Or is something potentially wrong?

I will post some vids when I can find a video camera to borrow. but for now I just wanna get your guys' input...thanks for any help!

Last edited by M3isKing; 04-17-2010 at 06:50 AM.
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Old 04-16-2010, 06:39 PM   #2
vinnybones
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Look into a X pipe I believe. Gets rid of rasp.
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Old 04-17-2010, 06:49 AM   #3
M3isKing
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Look into a X pipe I believe. Gets rid of rasp.
Came with the catback.

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Old 04-17-2010, 01:57 PM   #4
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I don't think you can avoid rasp with headers and no cats! I just installed the Magnaflow cat back and still have rasp!
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Old 04-17-2010, 02:15 PM   #5
M3isKing
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Originally Posted by JB_ZHP View Post
I don't think you can avoid rasp with headers and no cats! I just installed the Magnaflow cat back and still have rasp!


I guess I might have to get some resonators to add some back-pressure. Hopefully that will take care of the rasp.

I saw some videos on youtube with the same setup and no rasp.

Here are the vids:





Do you think because these are both 330's is why they have no rasp?

Second vid has cool air intake and underdrive pullys. Not sure if that would affect the sound though.
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Old 04-18-2010, 09:16 AM   #6
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^ I hear plenty of rasp in those clips!! Videos don't always pick up the rasp very well and I think the rasp would be much more defined in person on both those clips, but it's there!!

Keep us posted as to what you try.
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Old 04-18-2010, 12:53 PM   #7
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You should get two sets of AR resonators.

I have headers + Highline Tuning full piping setup (w/ x-pipe) + TSE 3 muffler = LOUD w/ crazy rasp
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Old 04-18-2010, 02:20 PM   #8
M3isKing
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Quote:
Originally Posted by JB_ZHP View Post
^ I hear plenty of rasp in those clips!! Videos don't always pick up the rasp very well and I think the rasp would be much more defined in person on both those clips, but it's there!!

Keep us posted as to what you try.

Damn, well I need to find a good video camera or something that'll accurately show you guys the sound of my car.


Quote:
Originally Posted by hamann330ci View Post
You should get two sets of AR resonators.

I have headers + Highline Tuning full piping setup (w/ x-pipe) + TSE 3 muffler = LOUD w/ crazy rasp
The guy in the first vid has a set on his car. Checked 'em out, they're only $74 each. So I'm probably going to get those soon.

Thanks for all your help guys, I really appreciate it!!!!!! If anyone else has input, please feel free.
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Old 04-18-2010, 09:47 PM   #9
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^ AR resonators are sold out unless you have a source
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Old 04-19-2010, 04:27 PM   #10
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^ AR resonators are sold out unless you have a source
http://www.phantasmusa.com/ar20.html

?
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Old 04-20-2010, 03:47 PM   #11
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Originally Posted by JB_ZHP View Post
I don't think you can avoid rasp with headers and no cats! I just installed the Magnaflow cat back and still have rasp!
Thats the first report I've heard of the magnaflow catback NOT killing rasp... thats disappointing. Maybe Borla is the only good option for those of us with catless headers.
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Old 04-21-2010, 08:48 AM   #12
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A little rasp never hurt anyone.

Ive seen some great videos of headers + magnaflow. especially from technik headers.

at least your car doesnt sound like this kid
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Old 04-23-2010, 01:33 PM   #13
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They're out of stock (everyone else is as well)

I'll be looking into Vibrant's and they're cheaper as well:

http://vibrantperformance.com/catalo...roducts_id=290
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Old 04-23-2010, 02:15 PM   #14
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I e-mailed Highline tuning and a guy said that 2" inlet-outlet was the max. Would you be able to squeeze out 2.5"?

Quote:
Originally Posted by hamann330ci View Post
They're out of stock (everyone else is as well)

I'll be looking into Vibrant's and they're cheaper as well:

http://vibrantperformance.com/catalo...roducts_id=290
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Old 04-23-2010, 02:40 PM   #15
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Quote:
Originally Posted by M3isKing View Post
I e-mailed Highline tuning and a guy said that 2" inlet-outlet was the max. Would you be able to squeeze out 2.5"?
Highline Tubing is 2" on my axle back muffler. I just order Aero Res from BimmerBrakes. Let see if it will be mailed out today or Monday

-TrippinBimmer

BTW anyone knows what they mean Left or Right?

Last edited by TrippinBimmer; 04-30-2010 at 11:09 AM.
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Old 04-26-2010, 03:44 PM   #16
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Quote:
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^ AR resonators are sold out unless you have a source
My AR-20 Res just shipped out today from AR.

-TrippinBimmer
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Old 04-26-2010, 11:21 PM   #17
M3isKing
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URL? I would love to be able to get a set!!!!!!!!!!

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Originally Posted by TrippinBimmer View Post
My AR-20 Res just shipped out today from AR.

-TrippinBimmer
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Old 04-27-2010, 01:17 AM   #18
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Quote:
Originally Posted by M3isKing View Post
URL? I would love to be able to get a set!!!!!!!!!!
http://forum.e46fanatics.com/showthread.php?t=760649

I should get Mine in this Thrusday. I will post pics

-TrippinBimmer

Last edited by TrippinBimmer; 04-29-2010 at 05:38 PM.
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