hi every one i have an 03 g35 with the vortec sc and exhaust
puting 335 whp in 2 weeks im puting the stage 2 pully on 9lbs bost
up from 6lbs
i was wondering if i should do dc sports headers at the same time witch i do own, im looking for 360-380 whp.
but are the headers worth the money of instal or can i get this gane from just the pully and a dyno tune?

 

will the headers rob power
or will i see an increase worth my wile to spend the 500 to instal thim?

 

The headers will def. not rob power. You will def. see a gain from them. When you put the smaller pulley on, you are forcing more air in. When you install the headers, you are letting more air out. The only part of the equation you are missing is more fuel, which could be fixed with a tune, fuel pump or injectors.

 

Perfect Thanks I Have The Pump And Injectors That Came With The Sc Kit And I Have A Fpr As Well So I Can Tune It
Will I Need To Reset The Ecu?

 

it prolly wouldnt hurt.

 

Install the headers and have a GOOD tuner tune the car for you . You might want the shop to look for boost leaks , or the serp pulley being to loose . At 6psi you are a little low on the boost . If you have the stock headers and cats on , the boost is off by 2 psi .

 

Thanks Gusy Im Going To Get The Stuff On In About 2 Weeks Ill Let U All Know How It Goes
Hopefuly Ill Be Hiting 380 Whp And 325 Wtq