Yellow top injectors? Stock?

syclone#488

GMC Syclone 36,000 miles
I was checking out the injectors on my syclone and it has yellow top injectors are those stock? It also has a hypertech chip connected into the computer which i just discovered. Is the hypertech chip a good chip? Thanks for the help guys.
 

Icarus-54

Donating Old Member
Re: Yellow top injectors? Stock?

yellow top injectors were accell probably 36#,the hypertec chip is not the best route to take.
 
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