Universal Basic Tuning Dongle Open Exhaust Adapter by Diag4 Bike®. When it comes to quality, Diag4 Bike® knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the highest-grade materials ensure the closest tolerances are adhered to.
Diag4 Bike® is the brand name for a family of diagnostic and tuning tools for motorcycles. Operating under the auspices of ACTIA CZ, the company offers a wide range of products intended for maintenance and inspection of all types of bikes found on the road. Its product portfolio includes exhaust gas analysers for spark ignition engines, smoke meters, various sensors and lots of other diagnostic tools. Diag4 Bike products have gained worldwide recognition and are used by the most reputed motorcycle manufacturers, including Harley-Davidson, BMW, Indian Motorcycle, and others.
- This product is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states following CARB standards, including NY and ME.