N54Tech.com - International Turbo Racing Discussion
(#26)
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s142nv s142nv is offline
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Default 06-17-2013, 11:53 AM

There is a slight sound difference but I personally can't smell a difference with my ******* ***.

I've had ******* ********* in other cars without secondary cats and the smell is terrible.
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(#27)
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alvin alvin is offline
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Car: 2009 335 i xdrive
Default 06-17-2013, 01:00 PM

I can smell a difference, but its not horrible. No one else has ever noticed it. As long as your state doesn't have a sniffer for emissions, it'll be OK.

My car has cpe ******* and is a lot louder! Stock after that. I get comments on it quite a bit.


2009 335 Xdrive pulled by a Newfoundland
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(#28)
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crazyyardie crazyyardie is offline
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Default 06-22-2013, 08:01 AM

What about cel codes whats the fix for that ?
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thenewrick thenewrick is offline
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Default 06-22-2013, 09:15 AM

I'm actually really interested in this as well.

I'd like to shop for a catted ********* that have the least NVH/smell. Do any of the catted ** brands offer similar to stock performance in that regards? I'm kind of picky when it comes to NVH.

More than even power I'd like quicker spool up time. If catted *** had zero increase in NVH/smell and gained about 10whp and made turbos spool quicker I'd be very interested.

I tend to have a no side-grade only upgrade policy :D
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(#30)
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NeoN NeoN is offline
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Default 06-25-2013, 03:24 PM

I have the Vishnu for N55 and it works great, no smell, good HP Gain, no raspy noise on highway


2018 C43 AMG Black/Black
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