Concentric cone reducers connect different size pipes, making them perfect for intakes, intercooler systems, exhaust transition, fitting mufflers, resonators, exhaust tips and stepping up from a small outlet turbo to a desired intercooler pipe size. Mild and stainless versions can also be used for custom exhaust systems Made from high quality SS304, they provide an easy solution for joining different size tube 2-3" x 2" in length- (2-3" Short) 50-75mm Stainless only 2-3" x 4" in length - 51-75mm 2.5-3" x 2" in length - 63.8-75.5mm 3-4" x 4" in length - 76-101mm 2-4" x 3" in length - 51-101mm (2-4" short) 2-4" x 4" in length - 51-101mm 4-5" x 2" in length - 101.6-127mm x 51mm long If you are wanting an in between size of reducer not listed above then they can be cut back at different lengths to get 2.25", 2.75" and 3.5"
