20 valve trumpets/velocity stacks

[brad]

hi all,
i was just wondering if any one had some pics or diagrams of trumpets for a s/t 20 valve,
i plan to get some made up to just run filter socks.
i just need some basic pics to show the fabracators what to do, lenghts of trumpet mainly.
thanks alot brad

[rthy]

length depends on what rpm they are tuned for, I used 2 inch exhaust pipe and made them the same length as standard on purpose. Shorter = higher tuned length.