Holley Systemax Upper and Lower Intake

[94svtcobra]

what kind of hp gains would I get over the stock cobra upper and lower intake

[John4cam]

what kind of hp gains would I get over the stock cobra upper and lower intake

Not much without good flowing heads.

[DING]

This intake flows the most air out of the top EFI intakes out there. I wouldn't know specific hp gains, that would depend on you conbination. But it does flow more air than a cobra intake.