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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 06-08-2013, 06:51 PM   #1
jackism3
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Join Date: Jun 2013
Location: south dakota
Posts: 7
My Ride: 2002 m3
Help with cats !

Ok first of all gotta say thank you for helping me out with headers install. Some of you was a big help! Install went great . But now I want to include pair of 100-200 cell cats in to my stock section one . I just want the cats to be welded in to sec1 . I will not install o2 sensors there . Sense I ordering envolver tunning. Where I can buy some of the cats and which ones are most bang for the buck and more quality ???? Thanks again!
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Old 06-08-2013, 07:06 PM   #2
jackism3
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My Ride: 2002 m3
Bump
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Old 06-09-2013, 11:54 AM   #3
dafoe
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Join Date: Jun 2009
Location: Frederick, MD
Posts: 65
My Ride: LSB M3
Just pickup a set of OEM Euro cats from Ebay UK, m cutters or CSLregister.... It'll be a lot cheaper and less of a headache than welding cats into your existing section one.... IMO...
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2001 M3, LSB 6spd, purchased 6/09 with 25K miles.


Mods: TTFS Tune, CSL Airbox, flap, map, rail... Swaintech coated SS Stepped headers, Larini exhaust, 3.91 gears, Turner Pulleys, TCKline S/A coilovers, H&R front sway Bar, Rear Sway Bar, PowerFlex RTAB's, Apex ARC-8's, subframe reinforcement, Laser Int:thumbsup2:

Last edited by dafoe; 06-09-2013 at 05:56 PM.
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Old 06-09-2013, 03:04 PM   #4
m3e46freak
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Join Date: Feb 2009
Location: 'MERICA
Posts: 1,478
My Ride: e46/bike/Airplane?
Yep, or pm sent
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Rock Hard Abs Racing


2004 JB / Cinnamon SMG - NAV - Heated Seats
Sonic Tuning Spacers 15mm
Alcantara Wheel/Boot/Pillars
BMC filter
Carbon Fiber: Doors/Seat Back/Trim/Paddles
Scorza muffler
CSL Bumper/Trunk
ST Coilovers

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Old 09-10-2013, 10:13 PM   #5
msokol78
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Join Date: Oct 2007
Location: Lawrenceville, NJ
Posts: 8
My Ride: E30M3Evo2, E36318is
The best cats you can get are from HJSNA.COM . I have SS stepped headers, ceramic coated; fabricated HJS cats 200cpsi into section 1 with v-band flanges. Everything worked out great. And what a major difference. !!!!
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Old 09-11-2013, 01:43 AM   #6
m3e46freak
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My Ride: e46/bike/Airplane?
price though?
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Rock Hard Abs Racing


2004 JB / Cinnamon SMG - NAV - Heated Seats
Sonic Tuning Spacers 15mm
Alcantara Wheel/Boot/Pillars
BMC filter
Carbon Fiber: Doors/Seat Back/Trim/Paddles
Scorza muffler
CSL Bumper/Trunk
ST Coilovers

m3e46freak@yahoo.com for outside contacting
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