Personally, I think people go a little crazy with the paint correction and ceramic coating. I have about $600 invested in SunTek film (bumper, headlights, hood insert, rockers, and in front/behind rear wheels). I wouldn’t go nuts with the other stuff, but that’s just me. I’m more bothered by rock chips than the GM paint quality though.
And I’d do headers over an exhaust system. At least then you’ll get some gains and open the exhaust up for later upgrades.
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