Stock s-10 with Flowmasters 4.3

[nickskates09]

Mine sounds like that only when I turn the key, then stops after I crank the engine.

[PUCK271]

Nice truck dude.........I have a 2000 S-10 as well.........damn what percentage are your front windows?

[hectanooga]

Wow, that is a loud pump. I just put a brand new pump on my truck and its quiet as can be.

[joelin66]

You don't have to worry about the fuel pump noise that is normal for S10 series, the day you don't ear it mean you have fuel pump problems. I don't know yet but maybe I buy those frowmaster let see what happen