Ok, I'm so lucky (I think )! Tomorrow i'm going to pick up my "new" Corsa exhaust, Premium Pro Series, from an LS1 for only $200. So what kind of gains should I see, if any. I have stock exhaust with a flowmaster muffler, which is probably close to the same age as the car! What do you guy's think, any gains or not?!? Thanks in advance.

Ryan

 

Probably about 10 rwhp. You got a sweet deal on that Corsa!

 

Thanks, I was hoping for about 5 rwhp, but 10 is even better !
I haven't seen it yet, but he said it's in perfect condition, used only about a month or 2 .

 

i would say more like 5rwhp since you already had the flowmaster.
jesse

 

between 10-15 hp

 

Shorty's might get you 10 to 15 with your mods, but I doubt just the Corsa will. I think you were right when you quessed about 5 over Flowmaster.