Boy thats a project I've always wanted to do!
IMHO if it was me I would
- Remove the exhaust from the manifolds back (except the stubs that attach to the manifold)
- Run a full DUAL 2 1/4" exhaust front to back with a balance tube about 28" back from the
manifolds (removable)
- Dual cats
- Dual good quality Turbo style mufflers
If it worked 1/2 as well as it has on all the V-8's I've done it too you should get a real neat sound (being a V-6 it should be very European sedan sounding) and a buch more power and better gas mileage.
Combined with a good aircleaner system I think it would be awesome!
Never had a chance to try it, but theres no reason it shouldn't work, it has on every other
V engine I have ever done it to.
Zag