The Thunderbike TB-S Custom air filter with laser engraved lettering provides with its noble design for a perfect look on the bike. Thunderbike power filters have a removable insert, so that the air filter can also be used open for racing purposes.

• With high quality and durable K&N filter insert
• Includes model-specific mounting kit
• 3D machined from billet aluminum
• Finish: black matt with TB-S lettering
• TÜV certificate (in combination with original H-D, as well as Jekill & Hyde exhaust systems)
• Plug & Play: The power filter comes including a, for maintenance removable reducing screen, which closes the outer holes in the cover and brings the air flow to series level.
• Made in Germany
• Matching Derby and Timer lids in TB-S design optionally available.

For the care of the air filter we recommend the K&N cleaning kit 21-99-180. Our air filters are also TÜV approved in combination with Jekill & Hyde exhaust systems. More about the installation of our air filters can be found here.