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Old Jul 4, 2011 | 08:52 AM
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Default Exhaust Advice Appreciated

Just got an '11 1LT 6MN 4 days ago and I wish it had the NPP option so I can better hear this awesome LS3, so, what are your opinions on which cat back to buy? I do not want to void my warranty, though it would be extreme to have a warranty issue because of this. Which one adds the most power, is lightest, no fitment issues etc? Thanks.

Last edited by Corvette V; Jul 4, 2011 at 09:32 AM.
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Old Jul 4, 2011 | 12:05 PM
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The Corsa Sports sound really good and fits great. Don't expect huge power gains from replacing the mufflers.
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Old Jul 4, 2011 | 06:43 PM
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From experience I know Corsa is a quality product, no drone/fit/finish/gains etc. The Corsa Sport version was good advice, thanks. Huge power gains? No, I'm old enough to know better. I am a bit isolated, so I cannot see, hear live, hold in my hands, etc. the cat backs like others do. Bottom line here is bang for the buck. An exhaust proven to gain a bit more and lighter than the NPP option. Would the Corsa Extreme fit this bill or is there yet a more complete choice?
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Old Jul 4, 2011 | 07:25 PM
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If you like the NPP option, try Fusions or look online for a used set of NPP's. They are out there!!
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Old Jul 4, 2011 | 07:45 PM
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+1 for Corsa
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Old Jul 4, 2011 | 08:15 PM
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I have Corsa Sport and they are all those things you say. I had SLP Loudmouth II before and they are loud and they DRONE. I would think if the NPP exhaust adds 6 hp from the regular exhaust in Chevy's numbers then a Corsa Sport would do likewise? If I didn't have the Corsa I would have a BB Fusion. I can't wait to add LT headers and hear it!!
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Old Jul 4, 2011 | 09:06 PM
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I am going to assume you dont have a vert -- if that is the case, you have plenty of options -- Corsa is great, but if you want something less expensive and have a good low rumble, I have heard the Billy Boats .. they are nice.
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Old Jul 4, 2011 | 09:08 PM
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Corsa Sport or Xtreme. I never did understand the dual mode thingy!
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Old Jul 4, 2011 | 11:02 PM
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Go with the NPP's.

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Old Jul 5, 2011 | 12:52 PM
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Thanks guys ...going with the Corsa Xtreme axle back with the 4" tips. In the far horizon I see LT's too.
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Old Jul 5, 2011 | 07:16 PM
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Wise choice!
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