Made on order brand new bmw m30 turbo manifold.
Fit on e30 ,e34 and e28 for any type turbos up to gt40/42 hx52 and s300/400.
This are very trick 3.6 mm tubes and elbow.
Can be done from stainless and mild steel.
The tubes and elbows are not welding seam.
Shot peening after the welding for residual stress layer and modify mechanical properties of metal.
The manifold come with 5 years warranty against cracking.