Custom Turbo Manifold Fabrication for Mazda Miata MX-5 NA Attention all Mazda Miata MX-5 NA owners who want to take their car to the next level! If you’re looking to add some serious power to your ride, then a custom turbo manifold is the way to go. Not only does it increase horsepower and torque, but it also gives your car that distinctive growl that makes heads turn. In this article, we’ll be discussing everything you need to know about custom turbo manifold fabrication for your Mazda Miata MX-5 NA. So buckle up and get ready to feel the power!