I have a '99 LS with and AEM sri. I'm also getting an Greddy sp2 cat back and a high flow cat. My question is Which is a better header, the Dc sports 4-2-1 or the Greddy 4-2-1. It's a daily driven and I'm not looking for huge gains, I just want a nice quality piece with decent gains.

 

They are both okay headers. Are you a brand *****? If so, chose accordingly. I have a DC (4-1 stainless) and it works out okay.

 

honestly id say the DC, i think there a better quality myself an a little less rasp comes out of them...

 

I'd go with the Greddy, only because it would match your exhaust/cat.

Just my $.02.

 

Ive heard good stuff about the DC.