seems like no one wants to even make the shorties since 2 different designs would be needed for the v8, (non vvt & vvt) you can read up on this, just search for headers or exhaust manifolds. but if you got the $ & don't care about deleting 2 cats, this may be of interest.- http://www.toyota-4runner.org/4th-gen-t4rs/135161-v8-4th-gen-trd-headers-installed.html