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      04-01-2008, 11:54 AM   #1
ronnyek
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whos going to be the first with exhaust

Not that I really expect it to sound a ton different than the 335i, I'd really like to see/hear 135i with exhaust video on youtube.

Taken a lot longer than I would have expected, I think if I actually had my car atm, I'd go and have custom shop fab something up to hold me over for the high end stuff.
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      04-01-2008, 12:36 PM   #2
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I'm curious to hear how it sounds with catless DPs. It's already a touch more agressive than the 335i in sound, I wonder if it even needs a catback. I do want to get one eventually to delete the second cats though.
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      04-01-2008, 01:15 PM   #3
Robert
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does catless pass emission test?
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      04-01-2008, 02:34 PM   #4
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Quote:
Originally Posted by robert View Post
does catless pass emission test?
Catless DPs, yes. Secondary cat delete, no.
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      04-01-2008, 03:49 PM   #5
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Quote:
Originally Posted by E82TT6 View Post
Catless DPs, yes. Secondary cat delete, no.
A Catless DP will fail the inspection in California, if they see it. It shouldn't fail the emissions part. It will fail the visual inspection part.

Technically any engine or exhaust bolt on part that is not C.A.R.B certified (California Air Resource Board) will cause you to fail the visual inspection part of the CA emissions test.


You can’t bribe the inspectors on the emissions part, but the visual inspection is another story (the inspectors are independent business men).
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      04-02-2008, 02:26 AM   #6
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on next week I will make construct exhaust for on measure for my 135i from a famous local constructor and this week,If my AA active processor arrive I install also UR DP:wink:
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      04-02-2008, 12:40 PM   #7
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It varies from state to state but generally any modification to a cat is "illegal" unless it fails for some reason and it needs to be replaced. That doesn't mean you shouldn't consider an AM exhaust with a high flow cat if you decide to upgrade your exhaust.

If NO cats then exhaust = stinky
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      04-04-2008, 05:39 PM   #8
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I would love to see a single exit exhaust picture. Something cooler about single exit to me.
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