What size downpipe?
#1
What size downpipe?
I'm thinking about tinkering with my stock exhaust. I've got a 2005 Supercharged SS, so it's the L67 engine, and for now I just want to replace the downpipe & cat, going with a hi-flow cat, and the U-bend delete. I don't race the car - the only time I ever "get on it" is on the interstate trying to pass/get out of the way of the big rigs. That supercharger really shines in those situations.
My question is: do I need to go with a 3" downpipe, or would I be better off with a 2 1/2". I noticed ZZ Performance offers both the 2 1/2" and the 3" sizes. If I wound up going with a 3", would I lose low end torque/streetability? I'm going to hold off on any further exhaust mods for now until I see how this works out.
Also, ZZ Performance advertises that their 304 stainless steel as being better than the more common 409 stainless. Any substance to that?
Thanks.
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03-31-2008 09:03 PM