If the exhaust is done you could use a stock system from a 1981 Z28 - just install the pipe 42566 that is down stream from the cat flipped.

z28 exhaust

With all stock parts it should not cost too much.

With all the parts you want to buy so far - have you priced them out yet?

Last edited by efi-diy; 03/25/14 08:34 PM.
51 GMC 4.2 turbo
Can't solved today's problems using the same technology/thinking that created them