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I'll be holding off on the exhust for a few. Seems GM did quite a bit of work on that. Headers would be fine. I wouldn't do nitrous and sure as hell couldn't afford a supercharger. If I had to decide, I'd save for a supercharger. It's more reliable and you get the extra umph all that way through the rpm range. Never tried nitrous b4. A 6.3ltr 470 HP is going to be plenty of juice...and it's stock!!!
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