Quote:
Originally Posted by homegrown
I use the Envoy/Trailblazer injectors in my car, and have never had any problems with them. They're a direct drop-in for the 2000-2004 V6 cars (so no funky pigtails or spacers needed), but you do have to program the higher flow rate into the PCM (with HPTuners, preferably).
They're good up to about 320HP. Stock injectors are good up to about 230HP, so unless you have forced induction, or heads + cam, they're not necessary.
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did you notice any power gains with the injectors?