question

[toolie5.3]

first of all im sort of new. my name is nate and im from minnesota. i have a 1999 new body style gmc, with a 5.3, and i was wondering if i have an air injection reactor. if anyone could help me out with this i would appreciate it.

[Sierra5.3]

Well if you have an pump like thing going into one of your headers than you got it.. I think.

[points]

Cool!  My name is Nate and i live in Minnesota also...  But i have a 99 chevy 1500 with a 5.3.