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Blackworks Raicng Honda/Acura B-Series Turbo Manifolds are designed and manufactured in the USA! Made from High Quality Stainless Steel . Our Ramhorn Manifolds are Tig-Welded and back purged to ensure the highest quality product. Our flanges are machined flat ensuring a perfect seal. Blackworks Flanges are produced in our facility from ½” plate 1018 Steel, CNC machined unlike the cheap laser cut flanges on the market. Each stage of manufacturing is passed through our quality control team to ensure end user gets a top notch product. This is our best selling Turbo Manifold for a reason. The quality and performance sets the bar.


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