EDR Performance Aprilia RS660 Velocity Stacks RS Tuono

EDR Performance RS660 Velocity Stack kit    The EDR Performance RS660/Tuono 660 2021+ Velocity stacks are the PROVEN best for your Aprilia, we spent hours on the dyno comparing the competitions and ours and didn't settle until we beat them all! Dyno proven gains of 5-8 rwhp is no joke on these bikes! (Tuono owners with our ecu can see over 15rwhp!)  Developed 100% in house on simulation software, then again, 100% produced in house on 1 of our 2 state of the art Mark Forged 3D machines, then put on bikes in our state of the art INC Dyno cell room to test and confirm, then finally backed up on the race track with real world data! NO other velocity stack is made 100% IN HOUSE from the initial design to prototyping to dyno testing to production, ours are 100% made here inside of EDR Performance! Our stacks are ran in numerous club racing organizations around the world as well as many top MotoAmerica teams (we cant say who due to contracts)  Our 660 stacks greatly improve torque/HP to