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2019-2023 Honda CRF450L/ CRF450RL/ CRF450X Smog/Emissions Block off/ Delete kit & Breather Hose Relocation for Racing


Manufacturer: Blais Racing

Product Information

Blais Racing Services 2019-2023 Honda CRF450L/CRF450RL/ CRF450X Smog/Emissions Block off/ Delete kit & Breather Hose Relocation for Racing Conversion

These kits will allow you to remove everything on the CRF450L/450RL/450X to set it up for Closed Course Competition Only.  We also have JD FI Tuners, Vortex ECU, and Honda CRF450L/ X/ RL Yoshimura Full Exhaust in stock.

These kits come with a Black breather hose.

This is a quick and easy way to desmog your 2019-2023 Honda CRF450L/ RL/450X. Keep you bike running better and remove all of those emissions hoses and canister.   Also includes valve cover breather hose relocation instructions. This is the same stuff we use on the race bikes.  Our kit includes Qty 2 rubber caps, 2 plugs, 1 High Quality Black Breather Hose with 90 defree bend & 8 Zip Ties to reroute engine breather hose along with 7 pages of photos and detailed instructions.  It's a pretty easy install for anyone with basic hand tools and some time. 

This modification is 100% for Closed Course Competition Use only. Not Intended for Street Use!  Does not conform to CARB/ EPA laws and regulations and is not legal for use upon a highway.I understand that it is illegal to install an aftermarket part that is intended for use with, or as part of, a required motor vehicle pollution control device or system that alters or modifies the original design or performance of the motor vehicle pollution control device or system unless the part has an Executive Order from CARB. Installation of these types of parts which are not CARB‐approved on a pollution controlled motor vehicle in the state of California may result in the Department of Motor Vehicles (DMV) revoking the vehicle registration and certification of ownership (title), refusing the transfer of registration, and/or the vehicle failing smog inspection. It is illegal to operate a vehicle in California with an illegal aftermarket part. Law enforcement may cite you for the use of an illegal aftermarket part and seize your title and license plate. By ordering this product you agree to these terms.  You agree that Blais Racing Services only sells racing parts and parts for converting your bike into a closed course competition only vehicle and will not use Upon a Highway!

Always in stock!

These ship by USPS Priority Mail unless ordered with other items which will go UPS ground.  Please supply a USPS shipping address in the order notes.

Product Code: 19CRF450LBLOCKOFF1


California Cancer and Reproductive Harm WarningWarning: Cancer and Reproductive Harm -

These warnings are not an indication that these products are violating any safety standards or regulations.

However, as our products might be sold in the state of California, we are legally obliged to inform customers about the potential presence of these chemicals in our products.

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