Yoshimura APRILIA RSV4/Tuono 17-20 Race Alpha T Slip-On Titanium Exhaust, W/ Titanium MufflerYoshimura APRILIA RSV4 Tuono 17 20 Race Alpha T Slip On Titanium Exhaust, W Titanium Muffler The Aprilia Tuono and RSV4 is a beautiful Italian machine with a V 4 1100cc engine that's a blast to ride. Now Yoshimura is making available our Race Series Alpha T in Titanium Works Finish the fits both Tuono and RSV4 models. Immediately when our Alpha T is installed, the shear roar of the V4 engine is mind bending. The exhaust note that this bike emits is