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Corsa Sport Vs NPP

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Old Feb 15, 2015 | 05:40 PM
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Default Corsa Sport Vs NPP

Hi

2007 vert Auto. Z-51

I am now ready to move on an exhaust but l have no clue what to look for as far as parts needed.

I have to look for a used deal because of $.

Also keep in mind l have to pay somebody to put it together both on and off.

Just want to make sure when l pick up the exhaust that l have the right size and all of the parts.

I live above Atlanta

Thanks

Alan
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Old Feb 15, 2015 | 06:56 PM
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Do you currently have headers and NPP? What is your goal for an exhaust?
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Old Feb 15, 2015 | 08:30 PM
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And what is your, and/or your likely passengers', tolerance for noise and drone?
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Old Feb 15, 2015 | 08:54 PM
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Default Pure Stock

Hi

I like the idea of the NPP, so when l am in my community l can close it and then open it when l leave it.

My wife can deal with the noise but in short doses! I have 2 other cars so l can use them when needed.

I have owned vettes since 1968 and owned all of the generations but l really miss the old rumble.

The Corsa Sport is supposed to be drone free and does not come to life until l get on it.

Thanks Guys

Alan
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Old Feb 15, 2015 | 09:31 PM
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The Corsa will indeed drone at a certain RPM but the question still remains: Which do you want? More HP or more sound? If it's the former, invest in headers. If it's the latter, invest in a used non-Z-06/ZR-1 NPP. I'm sorry to sound so blunt but what your wife or the community likes or your history of Corvette ownership is irrelevant. What is it that you want from an exhaust precisely?

I'm assuming sound in which case you're looking for a switchable catback and BB Fusions come to mind.

Last edited by Tropicana; Feb 15, 2015 at 09:39 PM.
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Old Feb 15, 2015 | 10:02 PM
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Hi

I picked up this C6 vert recently just to see if l would like a vert period. All of my prior vettes were coupes.

I plan on picking up a C7 within 2 yrs the only question is a coupe or vert!

My main interest is sound not HP.

This is why l do not want to spend alot on an exhaust.

If l am going have a drone with the Corsa then the NPP is the answer.
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Old Feb 15, 2015 | 10:27 PM
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Hi.

I agree. Assuming, of course, you don't have NPP right now, the best course of action per your wishes would be to pick up a used NPP exhaust and controller if you want the sound.

Personally, I'd just leave everything alone until trading it in for a C7 but if you must, pick up an exhaust you like but keep your old parts since you won't get a dime for your investment come trade-in time.
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Old Feb 15, 2015 | 10:38 PM
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This week l will drive over to Vengence Racing and talk to them. They are stand up guys.

Thanks
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Old Feb 15, 2015 | 10:40 PM
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If you plan on driving a lot with the top down, get the npp's.
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Old Feb 15, 2015 | 11:13 PM
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If l was still living in N J l would drive over to East Coast Supercharging in Creme Ridge, N J but Vengence is a lot closer.
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Old Feb 16, 2015 | 01:05 AM
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If you want the best of both worlds I think the NPP is a no brainer, particularly if you add the Mild 2 wild mod so you can control it at will.

With all due respect to Tropicana, what the wife thinks is most certainly not irrelevant.
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Old Feb 16, 2015 | 09:23 AM
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Originally Posted by bobeast
If you want the best of both worlds I think the NPP is a no brainer, particularly if you add the Mild 2 wild mod so you can control it at will.

With all due respect to Tropicana, what the wife thinks is most certainly not irrelevant.
You happen to be 100% correct but Tropicana might be single or divorced
and just venting.

I am married for over 40 yrs and we have a 50/50 relationship plus she handles the & lol
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Old Feb 16, 2015 | 09:46 AM
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Default Npp

Hi

I am going to start a new thread now being that l now know which way to go.

Thanks
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Old Feb 16, 2015 | 09:56 AM
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If you're going to leave the rest of the exhaust stock, either will do you fine. I've had both. My Corsa sports had 0 drone. None. That was behind long tube headers, no cats, and 650 hp. Yes, could hear a little exhaust note at crusie, but not anything remotely resembling any annoying drone. They sounded damn good at WOT too.

The NPP's can be had cheaper in the used market, but you have to factor in some type of controller and either do it yourself or pay someone to install the cans and the controller. The NPP's can also crack internally and give you problems there. That's what happened to mine and was the reason for grabbing a pair of used Corsa Sports. Got lots of compliments on how that Vette sounded.

A really cheap way to go would be to use NPP's with just a vacuum line run back to them. No controller. They'd only open in the absence of vacuum. IE, hard on the throttle. You can find the Z06 dual mode mufflers usually quite a bit cheaper, but you'll need a muffler shop to do the install as the pipe size is different. The NPP's are a simple bolt on.
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Old Feb 16, 2015 | 11:41 AM
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i would say since you don't sound like you are doing headers, you would be happy either way. with the npp's i would install the mild to wild controller (very easy) and its completely silent with them closed and if you want some sound you can open them on command. the corsas dont drone but sound good. either way is fine really
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Old Feb 16, 2015 | 04:52 PM
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I've had both. Corsa had NO drone. NPP is much better giving the best of both worlds.
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Old Feb 16, 2015 | 05:30 PM
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If you need quiet sometimes you only have one option. I feel bad for you!
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To Corsa Sport Vs NPP

Old Feb 16, 2015 | 07:19 PM
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Originally Posted by saplumr
If you need quiet sometimes you only have one option. I feel bad for you!
What is wrong with quiet sometimes, l play tennis, softball, golf, pickleball,
hike, shoot pool, kickball so quiet is a good thing while retired.
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Old Feb 16, 2015 | 07:37 PM
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Originally Posted by kingman
What is wrong with quiet sometimes,
Absolutely nothing......as long as it's your car! Personally I like mine 2 ways also, GOOD and LOUD!!
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Old Feb 16, 2015 | 08:16 PM
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Kingman , from what I've read I'd be leaning heavily towards the NPPs if I were you. Look in the for sale section and wait for a nice set to come up for sale and buy a controller for the valves so you can have quiet when you want it.

I have the Corsa sports on my car with about 800rwhp. Cam, headers, catless x pipe and it doesn't drone on the highway. I can listen to the radio or have a conversation with someone while on the highway. Tolerance to drone is different for everyone and maybe I am a little less sensitive to it than others.
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