Pro Circuit

Passes AMA/FIM sound regulations until '24.

It does NOT pass AMA/FIM sound regulations.

Passes AMA/FIM sound regulations until '24.

CNC-machined from billet aluminum for strength and light weightAid in rear wheel alignment, which improves high-speed stability and extends chain and sprocket life

The wire screen inside a 4-stroke's air filter cage is non-conducive to producing horsepowerIn the good ol' days, riders cut the wire screen out of the cage to get maximum airflow to the top end, but...

Stamped AKDQ high quality carbon steel constructionHand welded and pounded seamsReinforced mounting brackets and stingerMade in the USA

Stamped AKDQ high quality carbon steel constructionHand welded and pounded seamsMade in the USAReinforced mounting brackets and stinger

The first Pro Circuit pipe built with bare metal finish, giving it a unique style that sets it apart from all other pipesDurable construction conforms to the natural shape of the motorcycle for...

Hand welded and pounded seamsStamped AKDQ high quality carbon steel constructionReinforced mounting brackets and stingerMade in the U.S.A.

Unplated, oiled metal finishWorks finishStamped AKDQ high quality carbon steel constructionHand welded and pounded seamsReinforced mounting brackets and stingerMade in the U.S.A.

Stamped AKDQ high quality carbon steel constructionHand welded and pounded seamsReinforced mounting brackets and stingerMade in the USA