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X-pipes: stock vs. Borla vs. Corsa

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Old 08-23-2017, 05:54 PM
  #321  
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So basically the borla and corsa will be louder than the unbranded pipes with resonators. You already have primary CATS, the reason why you want to remove the secondary CATS is to make the car louder and have better flow through the exhaust line.

Having resonators will make it a little bit louder than stock, but will hamper a little bit of the flow as opposed to not having a resonator (borla/corsa). Not a huge difference, but it will be there, in a Dyno anyway.
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Old 08-23-2017, 07:32 PM
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Originally Posted by Kracka
No issues. The rear secondary cats are not monitored.
Where do you take your car to get inspected? I'm looking to get bola x-pipe myself. I see you live in prosper I'm in fort worth. I would drive near there to know i wouldn't have any problems with inspection.
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Old 08-23-2017, 07:35 PM
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Originally Posted by Silver&Blue
Where do you take your car to get inspected? I'm looking to get bola x-pipe myself. I see you live in prosper I'm in fort worth. I would drive near there to know i wouldn't have any problems with inspection.
Just my Chevy dealership, nothing special
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Old 08-23-2017, 07:48 PM
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Originally Posted by Kracka
Just my Chevy dealership, nothing special
Do you get your oil changed there as well?
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Old 08-23-2017, 09:36 PM
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Originally Posted by iced
So basically the borla and corsa will be louder than the unbranded pipes with resonators. You already have primary CATS, the reason why you want to remove the secondary CATS is to make the car louder and have better flow through the exhaust line.

Having resonators will make it a little bit louder than stock, but will hamper a little bit of the flow as opposed to not having a resonator (borla/corsa). Not a huge difference, but it will be there, in a Dyno anyway.
I installed the Manzo unit, and it is more than just a little bit louder. Actually, with the NPP closed it is just a bit louder. When they open it is A LOT louder !
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Old 08-23-2017, 10:07 PM
  #326  
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Originally Posted by Silver&Blue
Do you get your oil changed there as well?
I did in the past, while still using my freebies.
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Old 08-23-2017, 11:13 PM
  #327  
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Originally Posted by div7racer
I installed the Manzo unit, and it is more than just a little bit louder. Actually, with the NPP closed it is just a bit louder. When they open it is A LOT louder !
It might not be a true resonator with the Manzo then. Glad to hear it's loud! That's what Xpipes should be like!

I bought the Borla Xpipe!
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Old 08-24-2017, 01:03 AM
  #328  
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Originally Posted by iced
It might not be a true resonator with the Manzo then. Glad to hear it's loud! That's what Xpipes should be like!

I bought the Borla Xpipe!
What the " replacement" for the secondary cats are on the Manzo look like are just some units that I would call an old style glasspack.
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Old 08-24-2017, 05:01 AM
  #329  
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Originally Posted by iced
It might not be a true resonator with the Manzo then. Glad to hear it's loud! That's what Xpipes should be like!

I bought the Borla Xpipe!
Put my Borla X-pipe on a couple weeks ago. This is what the car should sound like from the factory, absolutely rocks above 4K rpms
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Old 08-24-2017, 10:13 AM
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Originally Posted by fatsport
Put my Borla X-pipe on a couple weeks ago. This is what the car should sound like from the factory, absolutely rocks above 4K rpms
I can't wait to put mine on!
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Old 09-23-2017, 03:46 PM
  #331  
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Hey thanks for the comparison and the advice on the jack points to do the work with hand tools
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Old 09-23-2017, 03:50 PM
  #332  
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Originally Posted by spinkick
Hey thanks for the comparison and the advice on the jack points to do the work with hand tools
You're welcome!
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Old 10-22-2017, 11:06 AM
  #333  
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A lot of helpful info in this thread. A refreshing change from the "mine is better than yours" that so often occurs on this forum. Think I'll be putting the Borla on my Z in the spring.
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Old 10-22-2017, 11:13 AM
  #334  
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Originally Posted by BMadden
A lot of helpful info in this thread. A refreshing change from the "mine is better than yours" that so often occurs on this forum. Think I'll be putting the Borla on my Z in the spring.
Glad you enjoyed, thank you!
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Old 10-22-2017, 01:07 PM
  #335  
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Contact us for pricing on either or!

-Josh
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Old 01-19-2018, 11:30 AM
  #336  
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Thanks Kraka, I did not know this is DIY.
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Old 03-07-2018, 11:09 AM
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Great thread on this, thanks!
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Old 03-07-2018, 11:25 AM
  #338  
MDPD23
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What is the difference between Borla X pipe 60547 and 60548?
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Old 03-07-2018, 11:26 AM
  #339  
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47 replaces the factory secondary cats (easy bolt-in install), 48 retains them (install requires cutting).
Last edited by Kracka; 03-07-2018 at 11:27 AM.
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Old 03-07-2018, 11:29 AM
  #340  
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Originally Posted by Kracka
47 replaces the factory secondary cats (easy bolt-in install), 48 retains them (install requires cutting).
Thanks, so the 47 do not have the cats, correct?
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