Building true duals
Here is the link to my thread
https://ls1tech.com/forums/generation-iii-external-engine/598826-my-true-duals.html
xpipe will scavenge exhaust gases better, which will lead to more tq. Hpipe will sound a little better (deeper), but won't perform as good.
I would look into stainless steel or aluminized steel.


