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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 01-31-2013, 11:37 AM   #1
Ntrb8s4
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dinan+ ar20

It's pretty damn quiet but has a nice tone at WOT There's no rasp and doesn't drone at all. That's all

After this ar20 gets some miles on it will it get any louder?
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Old 01-31-2013, 11:54 AM   #2
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Did you get 2 ar20 on your section 1? I am about to do the same thing with my car.
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Old 01-31-2013, 11:56 AM   #3
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No just the one. It doesn't sound bad, I was just thinking it was going to be louder.
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Old 01-31-2013, 11:59 AM   #4
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No just take away the rasp get headers and or a x pipe and it will be louder. Got any vids?
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Old 01-31-2013, 12:02 PM   #5
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No just take away the rasp get headers and or a x pipe and it will be louder. Got any vids?
No videos yet. I'm gonna drive it around and see how it is. I'm old (33) don't want it too loud.
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Old 01-31-2013, 12:06 PM   #6
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No videos yet. I'm gonna drive it around and see how it is. I'm old (33) don't want it too loud.
Lmao same here 31 that is why I love my dinan exhaust
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Old 01-31-2013, 12:10 PM   #7
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Lmao same here 31 that is why I love my dinan exhaust
Them do the single ar20. It pretty much kills the rasp. Only part I didn't like about this car.
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Old 01-31-2013, 12:15 PM   #8
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It will not get louder. Best mod to date for me also.

I have a borla catback with ar25.

I think its perfect. Since the borla is louder than the dinan but not as obnoxious loud like the gruppe m x offs . It's just quiet enough where you can be civil and still let out a loud bark.

Congrats
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Old 01-31-2013, 12:19 PM   #9
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Dinan + 2 AR20s in section 1 here also, no drone on the highway was a nice surprise and no more rasp FTW. Also noticed the exhaust is more "burbly", before it was just a flat tone, now it has more "wavey" notes.
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Old 01-31-2013, 12:27 PM   #10
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It will not get louder. Best mod to date for me also.

I have a borla catback with ar25.

I think its perfect. Since the borla is louder than the dinan but not as obnoxious loud like the gruppe m x offs . It's just quiet enough where you can be civil and still let out a loud bark.

Congrats

What's the difference between the ar20/ar25? I haven't heard the borla in person that's why I went with the dinan. Plus I got it off a member on here pretty cheap.
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Old 01-31-2013, 12:33 PM   #11
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Dinan + 2 AR20s in section 1 here also, no drone on the highway was a nice surprise and no more rasp FTW. Also noticed the exhaust is more "burbly", before it was just a flat tone, now it has more "wavey" notes.
Why did you go with two? Just curious
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Old 01-31-2013, 12:36 PM   #12
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Why did you go with two? Just curious
Because 2 AR20s would be quieter than 1 AR20 + OEM resonator.

AR20 and AR25 are the same thing minus piping size, one is 2" one is 2.5".
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Old 01-31-2013, 12:38 PM   #13
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Because 2 AR20s would be quieter than 1 AR20 + OEM resonator.

AR20 and AR25 are the same thing minus piping size, one is 2" one is 2.5".
Gotcha. The muffler guy did put the ar20 on some machine to stretch it. Maybe the ar25 is the better one for people to go with
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Old 01-31-2013, 12:45 PM   #14
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Actually the 20 fits perfectly because the OEM piping is more or less 2.0". The 2.5" can easily fit over the OEM piping but then the gap must be filled with weld, which could lead to leaks in future.
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Old 01-31-2013, 04:38 PM   #15
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eisenmann catback with ar20. great noise. hey OP where in chicago you located. im from the chi too
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Old 01-31-2013, 04:39 PM   #16
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I'm in burr ridge
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Old 01-31-2013, 04:51 PM   #17
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isnt that a suburb? lol
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Old 01-31-2013, 04:52 PM   #18
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Yeah I guess lol close to Chicago tho
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Old 01-31-2013, 05:01 PM   #19
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where is burr ridge exactly?
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Old 01-31-2013, 05:10 PM   #20
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Hindsale. It's like 294 & Ogden ave
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