CRF450L / CRF450RL Performance Modification Guide
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Honda CRF450L / CRF450RL Performance Upgrades:
Off the showroom floor, the 2019+ Honda CRF450L/RL suffers from a few emissions-related fueling issues that hinder performance and ride-ability. Some of our customers complain about poor low RPM fueling, stalling, as well as a very snatchy on-off throttle response. Luckily there are a few things you can do that will make the bike run much better, give it more power/torque, and make it much easier to rider.

EFI Controllers and ECU's...

  • Vortex X10 ECU

  • JD Jetting Power Surge 6X EFI Controller


    And to improve performance even more, save some weight, plus make the bike sound better, add an aftermarket exhaust system from the CRF450X...

  • CRF450X Yoshimura RS-4 Full Exhaust System

  • CRF450RL/L/X Graves Titanium Full Exhaust System

  • CRF450RL/L/X Graves AIS Block Off Kit


    Additionally, the following products will incrementally make the bike run better, and help reduce stalling, and provide a smoother, more controlled and tractable power delivery on your 2019+ Honda CRF450L/RL...

  • Steahly Flywheel Weight

  • Twin Air air filter


  • Doing these couple of things to the bike will make it run much better, help get rid of the snatchy throttle, and improve performance substantially compared to stock. It will also drop about 8-9 lbs in weight, plus the bike will obviously sound much better if you do an aftermarket exhaust system.




    ** NOTE: Yoshimura, Graves Motorsports, FMF Exhaust Systems, Vortex ECU's, and other performance products, are designed for closed course competition use only. By purchasing one of these products from us you understand that the parts, installation and performance modifications are not emissions or noise compliant and are for closed course competition use only.







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