So you have owned and used both the cheap chinese s/s manifold and one of these and can offer an opinion from experience. NO? Well I can.
This manifold works, It doesnt crack or break or buckle or twist or warp, It simply directs exhaust gas through the turbo and does it quite well with zero problems. I have no issue reccomending this product to those on a budget build simply because its a hassle free mod.
Have you ever thought about the flow of an exhaust manifold, If the gas was flowing in the opposite direction the collector precision would mean so much more, As it is 6 pipes feed in to a merge and blow through the turbo, do you think cylinder no.5 is going to produce less gas pressure because no. 1 has a better collector weld. I dont. Its a pressurised system fed by all 6 doing the same thing, It aint rocket science The big names use the pre fabbed collector for one reason only, Its a whole lot easier than cutting and welding one of their own.
Keep piss moaning about the product and I'll just keep driving my car with this inferior product That works.