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who has deleted their secondary cats?

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Old 10-15-2012, 09:14 PM
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2011 c300 4m
who has deleted their secondary cats?
If you have not, please do no post. I am tired of those saying no dont do it.........for those who do not know, the secondary "cats" are not really cats, there straight thru resonators. They serve no purpose for emmisions.

Those that have deleted, what type of sound increase have you had? louder? more drone? better tone? please do comment. I think this will compliment my X pipe nicely.
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Old 10-15-2012, 10:13 PM
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'08 C350
Originally Posted by Crippled
If you have not, please do no post. I am tired of those saying no dont do it.........for those who do not know, the secondary "cats" are not really cats, there straight thru resonators. They serve no purpose for emmisions.

Those that have deleted, what type of sound increase have you had? louder? more drone? better tone? please do comment. I think this will compliment my X pipe nicely.
I deleted the secondary cats about a month or so ago and overall I'm quite happy with the results. It does compliment the x pipe very well. It is the same tone but louder. It's noticeable but isn't overly loud inside. I posted a video in here somewhere when it was all done.
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Old 10-15-2012, 10:30 PM
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2011 c300 4m
do you know where the video is?
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Old 10-15-2012, 10:40 PM
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you gotta wonder what leaving the secondary cats and primary cats in tact, and deleting mufflers would sound like...
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Old 10-15-2012, 11:00 PM
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'08 C350
Here you go https://mbworld.org/forums/c-class-w...aust-note.html
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Old 10-15-2012, 11:12 PM
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2011 c300 4m
Originally Posted by tdot_ollie
you gotta wonder what leaving the secondary cats and primary cats in tact, and deleting mufflers would sound like...

drone.

lost of people do it
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Old 10-16-2012, 12:45 PM
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anyone else?
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Old 10-16-2012, 06:26 PM
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'09 C350 4M, '11 Sienna SE, '84 VW Jetta GLi
I did mine a few months back...... sounds WAY better. Perfect sound when stepping on the throttle. don't hear it at all when driving at normal speeds and in low rpm's. Defiantly worth the mod. I also have x-pipe installed (8 months ago)
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