RP Race Complete Exhaust System Yamaha YFZ450R All Years is made with premium stainless steel. It is TIG welded and designed for a modified engine. Air Fuel tuning is highly recommended. The exhaust systems' tubing step and size are carefully designed for maximum power.
The Vortex for the YAMAHA YFZ450R is like our and EFI Interceptor rolled into one module. The controls not only Spark timing and Voltage output but also Fuel Metering and other engine management functions. This unit comes pre-programmed with 10 Fuel & Spark timing maps as well as having 3 additional switches for user trimming (adjusting) of Fuel in Lo, Mid and Hi throttle openings. The plugs directly into the bike's standard wiring harness and interfaces with all the standard engine sensors.
Fitment: Yamaha YFZ450R All Years
Big 2.25'' core
Shorty version (12'')
98db range for the regular length.
Silencer packed with high quality material and a special high temp core
Dyno proven and track approved.
Quality sticker sheet included.
Instant Plug in (replaces standard with no mods to wiring required)
3 fuel trim switches to adjust fuel mapping by +12.5% to minus 10% in Lo, Mid and Hi throttle opening
Adjustments made using a screwdriver and switches provide visual feedback as to changes made
V-Boost - Programmable Voltage Boost Circuit for maximizing Spark Energy across the entire rev range
Handlebar switch (Optional upgrade at additional cost)- Dynamic Map Selection, easy installation with original plugs
Fully Programmable (PC Software - not included, available at additional cost)
Interface to Vortex Data Acquisition System and Wideband A/F Sensor
