Does it make a difference on a 4x4 to put a 2wd exhaust manifold on. It's a stage 1 4x4. The manifold has cracked so needs replacing

thanks

 

I would just replace it with an uncracked 4x4 manifold its not a 100% direct swap either and allthough tho 2wd manifold does apparanty flow better then the 4x4 one at stg1 power there is little or no gains to be had from the swap.

 

As said, use a 4wd one, a 2wd one is a little laggier, due to longer exhuast route, so I'd keep 2wd, might even be changing to a 4wd one myself.
tabetha