Hooker Comp Headers
I think this will help ya;
http://www.forabodiesonly.com/mopar/showthread.php?t=10508&page=1&pp=20
Hooker comps and a jegs exhaust kit @ 2-1/2 inchs.
Install them before the engine is in. Drop the centerlink and pitman arm for ease of installation. Leave loose until the engine is in and headers fitted on and bolted up. You MAY have to dent the header. I said MAY have to.