ALPINESTARS Knee Brace Socks - Black/White - Small/Medium 4701324-12-S/M Supertech R10 Helmet A noise insert is included

A noise insert is included in the package because the open version of the system has no catalytic converter and was developed for use on racetracks or closed courses only

Measure 2-1/4" L x 3/4" H

RPT slip-ons make use of all of the high-tech features of the regular 3" slip-on mufflers Bodies expand from 3" at the front to 3-1/2" at the rear 2" constant velocity cores for exceptional sound and performance Bonded e-glass and stainless steel mesh Made in the U

Seats accept optional EZ Glide II™ backrests

Black exhaust with race-inspired stainless steel heat shields

ALPINESTARS Knee Brace Socks - Black/White - Small/Medium 4701324-12-S/M Supertech R10 Helmet A noise insert is includedKnee Brace Socks