Quote:
Originally Posted by jaybee924
Say what!!! I have an extreme non npp in about to list for sale and possibly a Borla Atak NPP I might sale but I have a Corsa Extreme NPP black tip on my car right now.
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I’d be interested in the atak depending on price/condition. Curious - does the npp Corsa sound the same as the non npp version with valves open? And is the Corsa npp that much better than atak npp?