Quote:
Originally Posted by harrist5683
I've owned a 2SS and now a ZL1 6th Gen. My experience with 4 different exhaust systems, is that there's no axle-back that will entirely change how the car sounds. NPP is the baseline, and any axle-back will improve low-end tone and overall volume. Typically the more expensive you go, the less drone you get and (hopefully) a slightly more premium sound. If you're driving around a $70,000 car, I'm not sure why you would skimp out and go $500-$800 cheaper or why you would just cut the mufflers out.
That being said, the only way you get a sound that's marginally and truly different than NPP is adding in headers/cat delete/mid pipe to an aftermarket axle-back. I get the logic behind a Kooks axle-back if you're going from headers all the way to the back in order to stay consistent (because their headers are an awesome product), but I don't see any justifiable reason to get just their axle-back system (besides cost).
Borla and Corsa for the 6th Gen offer ZERO drone, so there's no issues there. After driving around with what 3 other exhaust companies had to offer, I threw a corsa on and never went back. My $.02
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Trust me when I say these 2 things. The Kooks axleback changes the tone of this car more than any other exhaust I've heard. I wasn't "skimping" out, I wanted something that would actually be louder and sound different. I had a previous experience with a straight through style muffler like they use and was pleased. That's why I tried this one too. I'm sorry the cost of a Kooks axleback isn't up to the level you think one should spend on a ZL1 axleback, but that was just icing on the cake for me. I can buy whatever exhaust is out there, but I'm not buying a Corsa or Borla when they both retain that raspy, boat motor sound of the stock exhaust. Drone tolerance and perception is up to the individual, so I can't tell someone else what they can or can't tolerate. What I can say is that drone is blown out of proportion by a lot of guys on this forum and the Vette forums. That's why you guys never get a different sound. If you truly want a louder different sound, more drone will be there. There's no way around it.