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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > 100 cell High Flow Cats?



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      05-05-2010, 11:47 PM   #1
AndreM818
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100 cell High Flow Cats?

Already have muffler delete and I'm thinking of taking out my secondary catsand putting 100 cell cats in. What do you guys think?
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      05-05-2010, 11:48 PM   #2
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      05-06-2010, 12:37 AM   #3
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should i go with 200?
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      05-06-2010, 02:18 AM   #4
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100 is fine.... im not sure how mcuh u need to get rid of the smell.
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      05-06-2010, 02:21 AM   #5
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Quote:
Originally Posted by zsapphire7 View Post
100 is fine.... im not sure how mcuh u need to get rid of the smell.
Whats it gonna smell like?
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      05-06-2010, 02:22 AM   #6
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rotten eggs?
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      05-06-2010, 02:42 AM   #7
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not a very good smell, was completely catless on my last car and swore I wasn't doing it again.
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I have exhaust and an intake...
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      05-06-2010, 03:29 AM   #8
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Already have muffler delete and I'm thinking of taking out my secondary catsand putting 100 cell cats in. What do you guys think?
I have done just that - catless downpipes and secondary 100 cell cats from HJS. Didn't want to go all catless due to possible smell issues, and it probably also would have been a little too loud for my taste. Now it's just right.

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      05-06-2010, 12:43 PM   #9
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Quote:
Originally Posted by Alpina_B3_Lux View Post
I have done just that - catless downpipes and secondary 100 cell cats from HJS. Didn't want to go all catless due to possible smell issues, and it probably also would have been a little too loud for my taste. Now it's just right.

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Is there any way you can post a video?
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      05-09-2010, 07:10 PM   #10
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Do you guys know where I can buy them from? looking to spend around 100 a piece. TIA
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      05-09-2010, 07:45 PM   #11
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Try Vivid Performance. They make nice metallic core cats.
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      05-09-2010, 09:48 PM   #12
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Try Vivid Performance. They make nice metallic core cats.
link?
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      05-09-2010, 10:15 PM   #13
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Found these:
http://performancepeddler.com/detail...T_ID=SUP200603

Is there something better?
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      05-09-2010, 10:19 PM   #14
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but you need 2.50 not 2.25
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      05-10-2010, 02:08 AM   #15
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stock pipes on 2007 is 2.5?
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      05-10-2010, 04:12 AM   #16
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Is there any way you can post a video?
My car is in the garage right now, meth kit and GIAC stage 2 being installed. Once I have it back (and everything's working...), I'll try to do some videos with sound.
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Originally Posted by AndreM818 View Post
Found these:
http://performancepeddler.com/detail...T_ID=SUP200603

Is there something better?
HJS in Germany make the best catalysts. I'm running their 100 cell racing cats with Platinum coating; they're rather expensive, though. Here you can read more details: 335i E90 LCI - modifications reviews (page 4)

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      05-10-2010, 04:31 AM   #17
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I'd go with anything from 100-300
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      11-14-2010, 08:28 PM   #18
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im a noob. what would be the sound difference between 200 cell and 100 cell
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