Stock thermostat, no need for a 180º. It's a pointless mod people think they need to do.


Headers are only 250 bucks after you buy better clamps, unless you want ZZP headers.

Everyone says buy a 3.4 first but most cars will still show spark knock with it, 3.5 or 3.6 is my starting point.

Gas mileage will not change if you drive it like an normal person.