Dude that does sound badass but I like my corsa sport also.

You are right down the road from me man. Im going to be pulling my motor and trans shortly you should come up and hang out with a few Austin guys.

 

Yeah, I just might, just give me a heads up and directions/time through a PM. I don't know if you really want a 130 pound skeletor-looking guy helping you out, but I'm up for anything. Might learn some valuable info helping you out eh?

 

Intake and exhaust guys, eh? I just made 479hp/537lb-ft with Flowmasters. I'm running a dual 3", mandrel bent exhaust with X pipe and dual 3" 409SS Flowmasters dumped just ahead of the axle. I have had MANY people tell me it's the best sounding LS1 they've ever heard. And, I just don't see how it could make all that power if the mufflers didn't flow well.

This thread is all about personal preference with very little factual information being offered up. I'd like to see more data to back up what everyone's saying about the difference between Flowmasters and other mufflers.

 

All of the facts you need

It's not like you're making all of that power just because of a set of Flowmasters. Sure they flow, better than the OEM muffler anyway. You can see those flow bench results just as well as anyone else here, and the results show that Flowmaster out flows others, and that others out flow Flowmaster.