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      01-06-2013, 11:02 PM   #1
keno
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Got the ACM Exhaust mod done

Got the ACM Mod done this weekend (shout-out to the ACM guys - thanks fellas).

I am very impressed with the results. For those on the edge about it, it gives the car a more muscular character especially in city driving and lower revs, almost a bit AMG like, would definitely recommend it!

Took a video on my phone yesterday, revving the car up to 5K RPM.

https://www.dropbox.com/s/uy42ew6lt6...ExhaustMod.mp4
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      01-06-2013, 11:14 PM   #2
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Good stuff man, enjoy!
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      01-06-2013, 11:21 PM   #3
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      01-06-2013, 11:38 PM   #4
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Test pipes next . Enjoy Kenan
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      01-06-2013, 11:54 PM   #5
MPowerrF10
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Anyone have the exhaust mod and auto couture test pipes on vid??
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      01-07-2013, 12:29 AM   #6
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Quote:
Originally Posted by MPowerrE92
Anyone have the exhaust mod and auto couture test pipes on vid??
youtube.com/autocouturemotoring

Check out we have a few there
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      01-07-2013, 08:53 AM   #7
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Dope
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      01-07-2013, 11:42 AM   #8
lookitsma
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What exactly do you do for the mod?
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      01-07-2013, 12:44 PM   #9
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Quote:
Originally Posted by lookitsma View Post
What exactly do you do for the mod?
ancient chinese secret
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      01-07-2013, 04:12 PM   #10
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Quote:
Originally Posted by Sal@AUTOcouture View Post
ancient chinese secret
Bah. I don't believe in the stuff.
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      01-07-2013, 04:18 PM   #11
nchan50
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Quote:
Originally Posted by lookitsma View Post
Bah. I don't believe in the stuff.
They posted quite a bit of detail on the mod a while back, just need to search. I'm running one of these as well and it's awesome - haven't had any interest in trying out any other exhausts.
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      01-07-2013, 06:11 PM   #12
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Quote:
Originally Posted by lookitsma View Post
Bah. I don't believe in the stuff.


http://www.m3post.com/forums/showthread.php?t=609950
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      01-07-2013, 06:34 PM   #13
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Thanks for the review... Might have to come in soon and get this done too!
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      01-12-2013, 02:13 AM   #14
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I got mine done last month. I stopped turning up the radio so that I can hear that puppy roar. Thank you ACM!
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      01-12-2013, 02:25 AM   #15
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Quote:
Originally Posted by Sal@AUTOcouture View Post
Oh I wasn't talking about the mod itself on the exhaust. Just ancient chinese secrets I doubted.
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      01-12-2013, 02:33 AM   #16
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The guy filming was scared
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      01-12-2013, 03:45 AM   #17
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Quote:
Originally Posted by Lalit@AUTOcouture
Test pipes next . Enjoy Kenan
What ... Have u heard it? LOL
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      01-12-2013, 11:32 AM   #18
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Wait, now I'm confused... Is this just the OEM Exhaust mod or some special ACM mod? This sounds different from the other OEM exhaust mods that I have heard...

Last edited by mdefalco25; 01-12-2013 at 01:47 PM.
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      01-12-2013, 12:41 PM   #19
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Dam I might get rid of my Remus and throw one of these bad boys in sounds awsome
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      01-12-2013, 01:03 PM   #20
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I had this and it does sound great when on the throttle but the drone is OUt OF COntrol. Any cruising between 70-85 its a thunderous deep drone which gives you a thumping headache.

I was much happier when I went back to the stock muffler and instead got a AA xpipe with HFC-gave the exhaust a much higher pitch sound and had zero drone since the rear muffler in stock form eliminates drone nicely.
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      01-17-2013, 01:34 PM   #21
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Any others opinions about drone at highway speeds, I'm getting it done soon.
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      01-17-2013, 01:40 PM   #22
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Quote:
Originally Posted by Trip3's View Post
Any others opinions about drone at highway speeds, I'm getting it done soon.
There is definitely drone, especially if you are going up a hill and the engine is under load. But honestly, it's not as bad as I've heard on some of my other cars. In terms of value, this is pretty much unbeatable. I had mine done at a local exhaust shop.

P.S. Anyone that says there is 0 drone, well you might need to clean your ears out. But it's definitely manageable.
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