http://www.magnadirect.ca/product/16829

So I have read all the reviews on this sytems for my 82 trans am.
My car is 500hp at the crank. I really love the look, sound and the fact the its all stainless.
heres the big thing. The largest sytem magnaflow makes for our cars is 3'' back to the muffler and dual 2.5 out. I am really worried about power lose.
How much power will I loose choking off my dual 3'' into my 3'' y pipe then to the muffler?

 

Here's a link to a thread that concerns this. Its not very long but there are a few opinions.
.https://www.thirdgen.org/forums/exha...evel-does.html
Ive seen the photos of the cat back(very nice) but its the car I want to see.
Heres one more = https://www.thirdgen.org/forums/exha...tage-gain.html

 

This should be more than enough:

http://www.mufflex-performance.com/1...lowmaster.html

 

Just ordered my 4'' mufflex system. The guys there are really helpful.It's no good to spend all that money making 500hp just to restrict it with an exhaust that’s to small

 

Then run open headers, the second you start adding past the header your adding restriction. **** run zoomies lol

 

Not true at all. In fact, certain mufflers ADD power off the collectors.