EDR Performance Velocity stacks R9, MT-09, MT-09SP, Tracer 900, XSR900, CP3 engines master cylinder Fuel injection system tuning not

Fuel injection system tuning not required

5" H2O corrected @ 25° Celsius

less obstructive routing

Gear/speed input allows for map adjustment based on gear

The unique design incorporates the steering stop into the mounting bracket streamlining the proper setup of your race ZX-4RR

EDR Performance Velocity stacks R9, MT-09, MT-09SP, Tracer 900, XSR900, CP3 engines master cylinder Fuel injection system tuning notEDR Performance Yamaha CP3 Velocity Stack kit for Yamaha R9 2024+ , MT09 MT09SP 2021+, XSR900 GP 2022+, Tracer 900 2021+ The EDR Performance R9 MT09 Velocity stack kit for the 2021+ various 3 cylinder models are the PROVEN best for your bike. No other stack has even come close to our gains! Dyno proven gains of over 4 rwhp! Our stacks embarass the others that are not fully designed, dyno tested and manufactured 100% in house unlike EDR Velocity