I just ran full length 2-1/2" exhaust on my '65. It has 28" glass packs so this should give you a decent comparison. I agree with the posts above, if it's a driver you will want to run the pipes out the back, anything else gets pretty obnoxious.

I ran the exhaust outside the frame rails, worked out well and leaves a lot of access to the rear suspension. Click on this link for photos and a video clip: http://67-72chevytrucks.com/vboard/showthread.php?t=363509&page=6

Last edited by Hot Rod John; 10/22/2010 1:26 AM.
In the Stovebolt Gallery ~~ "The Orange Crate" 1965 C10 SWB Step Side Build Thread

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