I know people with cars pushing over 400bhp thru cheapo 200SX ebay tubular manifolds for 20k miles and more and have NEVER cracked them.

You know why? Fucking bracing.

I know people who constantly smash mega bucks HKS manifolds on Evos and Skylines and having them welded all the time.

You know why? No fucking bracing.

My custom tubular manifold has braces underneath AND on top of the turbo.

Madness/stupidity not to run one on a tubular manifold.