Stainless steel exhaust manifold only for the Yahama R1 (5VY)

Our MK Indy manifolds for ZX12, Yamaha R1, and GSX 1000. These are all 4 - 2 - 1 configuration, with equal length primaries in 38.1 diameter, the secondaries are 44.5 o.d. and the exit pipe is 50.8 diameter. We match these to a 152 diameter stainless absorption (straight through) silencer.

*Please note these systems are made to order and are around the 14 to 21 day lead time to manufacture*