2004 chevy trailblazer_lt
i recently purchased my first vehicle...an 04 TB lt. i changed all of the fluids myself and cleaned the truck inside and out. i changed all of the filters and from now on i just want to put upgrades on it. im looking at Pcmforless.com for a tuning. what else would you guys recommend? exhaust/lights/intakes etc. Thanks for the help its greatly appreciated.