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2012+ C6 - Mid Pipe w/ Cat Delete

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Old Apr 1, 2021 | 12:13 PM
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TubingChamp's Avatar
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Default 2012+ C6 - Mid Pipe w/ Cat Delete

Hi there,

I purchased my car with Borla S-type (I think) exhaust.. It has dual mufflers on it.

On the 2012's, we have 2 unmonitored cats on the midpipe. Would purchasing a catless midpipe increase the volume by very much?

I want to make the car a little louder, but don't want to spend $3K on a corsa extreme.

I am really struggling to find any videos of before/after rear cat deletes on the internet.. If anyone has a video, that would be appreciated as well.

Thanks!
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Old Apr 1, 2021 | 10:01 PM
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Speed engineering headers and catless midpipe. Around $500. Get more sound plus 35 rwhp
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Old Apr 2, 2021 | 02:17 PM
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Originally Posted by TubingChamp
Hi there,

I purchased my car with Borla S-type (I think) exhaust.. It has dual mufflers on it.

On the 2012's, we have 2 unmonitored cats on the midpipe. Would purchasing a catless midpipe increase the volume by very much?

I want to make the car a little louder, but don't want to spend $3K on a corsa extreme.

I am really struggling to find any videos of before/after rear cat deletes on the internet.. If anyone has a video, that would be appreciated as well.

Thanks!
What do you mean by unmonitored? The rear O2 sensors are after the cats. You would most likely need a tune to tune out the 02s and turn off the CEL.
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Old Apr 2, 2021 | 03:50 PM
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2012 and 2013 have 4 cats. The downstream O2’s are after the front cats. There isn’t a sensor after the second set.
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Old Apr 2, 2021 | 03:56 PM
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Originally Posted by farmington
2012 and 2013 have 4 cats. The downstream O2’s are after the front cats. There isn’t a sensor after the second set.
Ok gotcha now. Thanks!
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Old May 11, 2021 | 01:01 PM
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Originally Posted by farmington
Speed engineering headers and catless midpipe. Around $500. Get more sound plus 35 rwhp
Headers are a bit wild for me, I don't want to deafen the neighbors with cold starts..

If I had a detached house, I wouldn't think twice, but being in a townhome complex I'd feel bad booting her up every morning..

More curious if anyone has just deleted the midpipe cats on a 2012/13, and noticed any sound difference. Not sure if it will be worth it.

I know it made a big difference on my BMW (But it had a resonator as well).
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