my car is running really sluggish like it's not gettting enough fuel, it just seems like somethings clogged or something. could it be something as simple as i need a new air filter or the only other thing i could think of was may be because i have an ls oil pump on a gsr motor but it's only been doin it lately and i've had it in for like 2 months. any suggestions? i have a vafc as well if that helps.

 

the mods i'm running are jun 3 cams with a port and polished head, ctr pistons, cai, comptech race header, and greddy exhaust. it just started doing this a couple days after i got the header installed. may be that will help

 

somebody's gotta know, to the top

 

best way to tell is dyno and a 5 gas anaylzer ...