For creating your own intercoolers BOOST products CNC intercooler lip 51mm / 2.0" Weld-on stub for silicone hoses with IC construction For creating your own intercoolers CNC machined intercooler weld-on stubs. These connection stubs are perfect for any intercooler manufacturer looking for a simple solution for intercooler connections. No flaring and no pipe cutting needed, we have the optimal solution! Features and Uses - CNC machined weld-on stubs for a perfect seal with silicone connectors - Welding ends are slightly thicker for easy weldingMade from 6061 T6 Aluminum Inner diameter 47mm Wall thickness 1.8mm - Also well suited for aluminum pipe ends - Will not be deformed when using T-bolt clamps for heavy-duty applications, unlike standard aluminum ends - Offers 10-20% more internal surface area compared to standard cast end tanks