If you enjoyed reading this article, please click here to view it on Kropotkin's site, MotoGP Matters. ----------------- Nakasuga’s YZR-M1 exhaust from above Peter Bom: Exhaust configuration is vital for both power and engine character. Yamaha is using a four-into-two-into-one exhaust combination. Don’t be surprised if next year we see a different exhaust on the M1.