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i just recently purchased a 1999 extra cab chevy with the 5.3L w/ 165K miles. it already has a k&n filter and intake on it.
this rig is my dd but will tow around 5K lbs or less a couple times a year. i plan to put a leveling kit and 285's on.
what upgrades would you guys recommend? i already have the air intake and would think headers and exhaust job would help. whats the best programmer or tuning place to send it to? any help is appreciated. thanks
this rig is my dd but will tow around 5K lbs or less a couple times a year. i plan to put a leveling kit and 285's on.
what upgrades would you guys recommend? i already have the air intake and would think headers and exhaust job would help. whats the best programmer or tuning place to send it to? any help is appreciated. thanks