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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 09-20-2013, 06:05 PM   #1
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Join Date: Apr 2013
Location: charlotte nc
Posts: 129
My Ride: bmw m3 e46
Help me decide!

Hey guys,im trying to remove the rasp near nothing .So im planning to do exhaust renovation . Currently i have stg headers,100 cell cats without resonators (section1),and stg resonated x pipe and rouge diablo muffler . So here is what im thinking to do.throw out cats (and ye i know it will be louder with out cats because i drove without cats before). Buy STG resonated section 1 and keep my resonated xpipe .the muffler will be unchanged.Or sell my x-pipe and buy borla midpipes .Please Let me know what you guys think .

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Old 09-21-2013, 01:40 AM   #2
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Join Date: Dec 2009
Location: Vancouver Canada
Posts: 181
My Ride: 2004 CARBON BLACK M3
Help me decide!

Ar20 resonators x2 removes rasp

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| 2004 E46 M3 Carbon Black | Black Interior |
| OEM Short Shift Kit | Depo LED Turn Signals |
| Angel Eye LED's | CSL M3 Style Carbon Splitters |
| VMR V710 Gunmetal Grey 19" |
| Agency Power V1 Exhaust |

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Old 09-22-2013, 11:29 AM   #3
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Join Date: Apr 2013
Location: charlotte nc
Posts: 129
My Ride: bmw m3 e46
Help me decide!

So should i just use stock sec2 ?

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Old 09-23-2013, 08:16 AM   #4
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Join Date: Jan 2013
Location: Scottsdale, AZ
Posts: 4
My Ride: E46 M3
Help me decide!

Try just replacing section 1 at first with a twin resonator setup (rasp pipe) but if you really want to remove the rasp go stock on section 2. I have very little rasp with a single AR20 on section 1 + AP muffler and from what I have seen the less you resonate/muffle the exhaust the more rasp you get.

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Old 09-26-2013, 04:15 PM   #5
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Join Date: Oct 2012
Location: Chicago, Illinois
Posts: 113
My Ride: 02 E46 M3
agreed on the ar20s
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