Description
CRF450L/RL'19-27 Vortex X10 ECU & FMF Q4/MegaBomb Combo — This CRF450L/RL 2019-2027 combo pairs the Vortex X10 ECU with the FMF Q4/MegaBomb full exhaust system. It combines Vortex's application-specific fuel and ignition mapping with FMF's quieter Q4 exhaust architecture, spark arrestor and MegaBomb header for a complete closed-course performance package.
Why This Upgrade
This package is the Vortex/FMF option for riders who want the Q4's quieter exhaust focus instead of the more aggressive FMF muffler choices.
Key Features
- Includes FMF Q4 full exhaust system with MegaBomb header and Vortex X10 ECU
- Q4 is designed around reduced sound with power gains through the RPM range
- Spark arrestor included with the FMF system
- Vortex ECU includes application-specific maps for common full exhaust configurations
- Optional Vortex handlebar map switch allows map changes on the fly
- Closed-course competition use only
Important Notes
- Closed-course competition use only. Use on public lands or public roads may be illegal.
Product Details
THESE ITEMS ARE FOR CLOSED COURSE COMPETITION ONLY - USE OF THESE ITEMS ON PUBLIC LANDS MAY BE ILLEGAL Built for performance and purpose, the FMF Q4 Exhaust System & ECU combo kit is designed to rid your CRF450L/RL of its notorious Flameout and Stalling issue and add the Horsepower and Torque that its been missing from the Factory! If you want to save weight and add some performance to your bike without making it obnoxiously loud, then the Q4 exhaust system is for you! For added performance, the Twin Air Powerflow kit and Graves Smog Block Off Kits can be added to this package. The Vortex Handlebar Map Switch (sold separately) allows you to change the desired map on the fly.
FMF EXHAUST & ECU COMBO SALE -- Full FMF Q 4 Exhaust System w/Megabomb Header -Less sound equals more ground -Meets USFS and FIM World Enduro sound regulations -Power gains throughout the entire rpm range -Spark arrestor included -Pounds lighter than stock -Rugged design for off-road endurance -- VORTEX ECU NEW MAPS FOR 2025 MORE POWER, BETTER STALL / FLAME OUT PREVENTION & FUEL RANGE THIS PRODUCT IS FOR CLOSED COURSE COMPETITION ONLY NOT FOR USE ON PUBLIC ROADS CRF450L // CRF450RL Specific Features
- Advanced Mapping for better traction and performance which suits aftermarket full system
- Maps supplied for both Yoshimura and FMF Full system
- Improved bottom end Power and throttle response
- Improved top end and over rev Power
- Power Ignition & Fuel Mapping for Standard Engine with aftermarket pipe and USA Intake manifold.
- Enduro maps for better traction and throttle control
- Higher Rev Limits with a smoother feeling spark cut
- Advances Fuel Injection Timing for improved atomization and response
- Dual Injector Capable
- Multi-Function Port - Map Switch, Second Injector
- ECU generates Fuel Metering data for standard Speedo
- Advanced Dynamic Traction Control - New feature activated by the standard switches Key Features
- Pre-Programmed with 10 Performance Fuel & Ignition maps - all the work is done for you!
- Instant Plug in Performance (replaces standard ECU with no mods to wiring required)
- Simple to install with mounting hardware supplied (where required)
- Robust design is fully encapsulated, and O-ring sealed
- Diagnostic Flash codes - tests for sensor faults and flashes codes to OEM FI light
- Race Proven reliability All Vortex products are factory programmed with Performance Fuel and Ignition Maps developed through extensive dyno and track testing by Vortex Ignitions engineers with our network of race teams worldwide. Vortex ECU's are a performance product and is designed for closed course competition use only. By purchasing this product, you understand that the parts, installation and performance modifications are not emissions or noise compliant and are for closed course competition use only. Vortex Handlebar switch must be chosen in the options section if you would like it added to your order.
Fitment
Honda CRF450L/RL 2019-2027. Verify your exact model/year and configuration in the CRF's Only fitment selector before ordering.
Frequently Asked Questions
What does this product fit?
This listing is for Honda CRF450L/RL 2019-2027. Confirm the exact model/year and any configuration notes before ordering.
What is included in this combo?
The included ECU and exhaust components are listed in the Key Features and Product Details sections above. Supporting intake, block-off or map-switch parts are separate unless the product information explicitly says otherwise.
- Brand: FMF
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