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Corsa catback restrictive?

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Old May 25, 2020 | 01:45 PM
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Default Corsa catback restrictive?

What's up guys, almost done with my motor for my WS6, it should be in the 500rwhp range N/A. I bought speed engineering 1 7/8 long tubes, 3" O/R Y pipe and a 3-4" flowmaster merge collector. I currently have a Corsa sport? Catback and was going to run a 4" I pipe with a cut out than reduce to 3" for the Corsa. I don't want to run true duals because the car is lowered. My only other choice would be the mufflex 4" system especially since they're only 30mkns away from me lol. I how ever want to run the tips out the bumper and love the way the Corsa sounds. I'm guessing this set up should be ok? Thanks guys!
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Old May 25, 2020 | 02:59 PM
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Originally Posted by Resurrected_WS6
What's up guys, almost done with my motor for my WS6, it should be in the 500rwhp range N/A. I bought speed engineering 1 7/8 long tubes, 3" O/R Y pipe and a 3-4" flowmaster merge collector. I currently have a Corsa sport? Catback and was going to run a 4" I pipe with a cut out than reduce to 3" for the Corsa. I don't want to run true duals because the car is lowered. My only other choice would be the mufflex 4" system especially since they're only 30mkns away from me lol. I how ever want to run the tips out the bumper and love the way the Corsa sounds. I'm guessing this set up should be ok? Thanks guys!
sounds perfect. Quiet when your crusing and open it up at the track.
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Old May 25, 2020 | 03:28 PM
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Originally Posted by Bspeck82
sounds perfect. Quiet when your crusing and open it up at the track.
I have a feeling that it's not going to be quiet regardless with the Corsa lol
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Old May 25, 2020 | 04:03 PM
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Originally Posted by Resurrected_WS6
I have a feeling that it's not going to be quiet regardless with the Corsa lol
well no but it's all relative
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Old Jun 1, 2020 | 10:59 AM
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Corsa mufflers are pretty much straight through. Granted inside the body of the muffler it has all sorts of channels and baffling but, none to really impede exhaust flow. My buddy just put a Corsa setup on his Z28 and it sounds pretty gnarly with no cats and LT's! I had a Corsa setup on my old truck back in the day running high-flows and Dynatech LT's. Had excellent tone, sounded mean as hell and zero drone.

Last edited by 99Silver6.0; Jun 1, 2020 at 11:35 AM.
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Old Jun 1, 2020 | 11:56 AM
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All those channels and baffling combine to make a very elaborate Heimholz resonance chamber, which is why Corsa doesn't drone.
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Old Jun 1, 2020 | 08:44 PM
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Only issue I've ever heard about Corsa is that some people had a rattle from some welds breaking loose. For half the price it's hard to dislike the TSP catback.
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