I have a 2002 GMC Envoy with the 4.2LV6! it also has a 3in body lift with 20in tires! i need more power. HOW?

  • well for one you have 20s rims not tires on a full size SUV with a little V6, well compared to the size of the SUV the V6 is little, thats your problem, try getting a full size truck or SUV with a V8, but if you want more power you'll need more than just ai air intake kit, you'll need an aftermarket exhaust to, with... Read More
  • I have a 2005 Envoy and has a 4.2L in-line 6 DOHC. Added a free flow exhaoust and K & N intake kit. Engine now has 280+ HP. If you wanted more you should have opted for the V8 Denali.
  • air intake upgrade

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