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Old 12-12-2019, 08:22 AM   #1
gotswap
 
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2nd Cat delete

I am having 1 hell of a time trying to find secondary cat delete. Anyone have a link they can share?

Looking to remove secondary cats but retain the rest of the stock exhaust.
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Old 12-12-2019, 08:23 AM   #2
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Just go to a muffler shop. They will cut off the secondary Cats and replace with a 3" pipe for both. You shouldn't have to pay more than $100 for this mod. If you do -you've overpaid.

I did the same and love it!
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Old 12-12-2019, 08:30 AM   #3
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Well hell, if it is that easy I can do it. Have welder, will weld

I really need to just get it up in the air and have a look
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Old 12-12-2019, 09:11 AM   #4
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We have options from AWE, B&B, Corsa and Hooker. They either have a cat delete pipe or a full Xpipe that will delete the secondary cats.
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Old 12-12-2019, 01:38 PM   #5
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they removed mine when i got the performance link pipe from AWE
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Old 12-12-2019, 06:33 PM   #6
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The Borla 60606 is a perfect fit. Not produced any more because of an EPA issue
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Old 12-12-2019, 07:32 PM   #7
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same here, gone with the performance links from AWE.
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Old 12-12-2019, 10:39 PM   #8
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Fairly certain you can buy the Corsa mid section with secondary cat deletes since the Borla is no longer produced.
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Old 12-12-2019, 10:52 PM   #9
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Quote:
Originally Posted by JonDaddy82 View Post
Fairly certain you can buy the Corsa mid section with secondary cat deletes since the Borla is no longer produced.
Correct, for about 800 bucks.
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Old 12-15-2019, 08:43 AM   #10
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I am going this morning to a local shop to have my secondaries deleted. He said it makes the Z06 a lot louder. I know it will make it louder, but i don't think it will make it a lot louder. Just give me a bit more tone. I don't know what exhaust i want to go with, but i know i want to keep my active exhaust function. I think i have it down to stainless works, corsa sport, or flowmaster American thunder. Leaning more towards stainless works. Just don't want any drone. I am ok with hearing the exhaust while driving but the roaring drone in some systems is unbearable. Anyone have any input?
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Old 12-15-2019, 09:13 AM   #11
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Quote:
Originally Posted by ProjectZL1 View Post
I am going this morning to a local shop to have my secondaries deleted. He said it makes the Z06 a lot louder. I know it will make it louder, but i don't think it will make it a lot louder. Just give me a bit more tone. I don't know what exhaust i want to go with, but i know i want to keep my active exhaust function. I think i have it down to stainless works, corsa sport, or flowmaster American thunder. Leaning more towards stainless works. Just don't want any drone. I am ok with hearing the exhaust while driving but the roaring drone in some systems is unbearable. Anyone have any input?

My 02 cents is, why waste the money having a muffler shop cut the secondary cats off. Why not just shell out for the SWorks catback and be done with it ? Plus, if you have any drivetrain warranty left, and you needed to make a claim with GM over whatever, you would have the complete stock exhaust to throw back on the car if the dealer / GM got nasty. If you go hacking that secondary cat off and you need warranty work covered, they could easily point the finger somehow at the cat removal, and whether the secondary cats are monitored or not, GM will do what GM wants. Just sayin.....
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Old 12-15-2019, 09:40 AM   #12
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my dealer didn't say anything about the exhaust during my oil pump failure warranty claim. The ONLY thing they cared about was the fact the ECM was stock.
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'15 Z/28 #325 Black a/c & stereo. 2:10.1 VIR Full (sold)
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Old 12-15-2019, 10:19 AM   #13
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Quote:
Originally Posted by Stephen12ZL1 View Post
my dealer didn't say anything about the exhaust during my oil pump failure warranty claim. The ONLY thing they cared about was the fact the ECM was stock.

Im sure every dealer is different in how hey handle there warranty claims. I had a bad experience with GM with my 2012 Duramax. I had a S & B CAI intake installed and started having issues with a DEF code popping up when the temperatures got cold outside. Somehow the dealer wanted to link it to the intake, anyway, I wont mess with any emissions stuff in the future while under warranty, but thats just me. Im sure theres lots of owners out there that had warranty work covered while they had CAI and catbacks ect. I just wont gamble in the future or atleast til Im deeper into my warranty.
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Old 12-15-2019, 04:39 PM   #14
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Quote:
Originally Posted by keystonemedical View Post
My 02 cents is, why waste the money having a muffler shop cut the secondary cats off. Why not just shell out for the SWorks catback and be done with it ?
Well, because i paid the exhaust shop 85 bucks and most cat backs are over 2k.

Quote:
Originally Posted by Stephen12ZL1 View Post
my dealer didn't say anything about the exhaust during my oil pump failure warranty claim. The ONLY thing they cared about was the fact the ECM was stock.
Yeah i don't see where they could say anything about the secondaries being gone for anything really, but it depends on the dealership also.

Quote:
Originally Posted by keystonemedical View Post
Im sure every dealer is different in how hey handle there warranty claims. I had a bad experience with GM with my 2012 Duramax. I had a S & B CAI intake installed and started having issues with a DEF code popping up when the temperatures got cold outside. Somehow the dealer wanted to link it to the intake, anyway, I wont mess with any emissions stuff in the future while under warranty, but thats just me. Im sure theres lots of owners out there that had warranty work covered while they had CAI and catbacks ect. I just wont gamble in the future or atleast til Im deeper into my warranty.
Totally depends on the dealership and how they word and treat warranty claims. We have a local dealership that will honor the warranty on z06's and ZL1's even after they are tuned if tuned by a specific shop.
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