Description:

Set of 4 machined exhaust header stubs to suit Hayabusa engine, all models. 38.3mm bore to suit 1 1/2", (38.1mm) exhaust tube. 45.3mm OD x 19mm thick. 1mm chamfer on one inside edge for welding in exhaust tube. These stubs fit on the very end of the exhaust system where the header pipes bolt up into the cylinder head & they sit against the exhaust port sealing gasket rings (used for making your own exhaust system).

Part no. BUSA EX-STUB