3D Printed Exhaust Manifolds and Turbo Housings

I saw some videos of some racecar guys 3D printing exhaust manifolds out of inconel. That got me wondering if there has been interest in 3D printing exhaust parts out of these super alloys for the marine market. It seems to me that

BMW M42/M44 Turbo Manifold

3D Printed Aluminum Turbo Compressor Housing

Turbo Exhaust Manifold Housing For Audi A8/S8 Quattro 2.0 TFSI

SLS 3D Printing – The Ultimate Guide

K03 Turbine Manifold Turbo Exhaust Housing For Audi A3 1.8 TFSI 8P

CTS Turbo IE 2.0T FSI/TSI/TFSI Intake Manifold

Our 3D-printed Inconel 625 exhaust - HPA Motorsports Inc

2.0L TSI / FSI T3 Twin Scroll Turbo Exhaust Manifold Transverse

exhaust manifold 3D Models to Print - yeggi