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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.
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?
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!!
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.