Quote:
Originally Posted by Spaceme1117
It's never good to go catless. I give zero fuks about if it pollutes or not, but no cats = terrible drone when cruising and the smell isn't very good either much less breathing in gas vapors for your health.
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I have the Corsa NPP and CSP catless headers with the stock mid section. There is zero drone. It's SOO quiet in stealth mode from inside the car, like a V6 camry. With the valves open, it's about as loud as a straight piped V8 can be. This is why I paid for the Corsa. I gotta admit though, all of these axlebacks sound better with the stock headers and cats, even it's it's quieter.