Custom DCOE 40 trumpets 3D printed from ABS. Trumpets have been used/tested and can withstand up to 15 seconds of direct flame without warping. Resistant to vibration and fuel as well. Bellmouth of trumpets can be smoothed out to your liking even further by use of a rag and light acetone. Sold as a “set”. Ordering “1” gets you two trumpets in total.