What could be more commonplace than a “4-in-1” exhaust like we've seen for ages on in-line four-cylinders? Except that in MotoGP, with the quality of the titanium and the welds, its four lambda probes and its 1-2 and 3-4 pressure conduits, the “Tri-Y” or 4-2-1 manufactured by Akrapovič comes close a fascinating work of art to contemplate.
Akrapovich team Yamaha, Ducati, KTM and probably Honda, while Aprilia continues to trust SC Project.
