I have a 95 LS 5 speed with a Greddy SP and AEM shorty. by adding a DC 4-2-1 CC, will I gain any power and where (midrange)? will it be louder? I tried the search but I really could find the answers I'm looking for. Thanks!

 

typical direct bolt-on header alone by itself will give ~3hp. with intake and catback, ~5-10. There are a lot of factors so ill leave it at that. Dont forget when you replace the stock exhaust you are also doing some weight reduction. so it's pretty much a win win situation. Just be sure to pick the right setup with your future goals in mind.

as for sound, when i put on header on the loudness didnt change but the exhaust tone changed slightly. hth

 

Thanks Tilt,

When will I have to bump up the fuel pressure? or I am okay... thanks!

 

you will be fine with stock fpr.

 

yeah stock fuel is fine unless you go with fi or nitrous...