ALPINESTARS SP-1 v2 Vented Shoes - Black - US 9 / EU 43 2511318110043 Race Pro Slip-On Mufflers The air injection system pumps

The air injection system pumps fresh air directly into the exhaust stream in order to burn off any unused fuel

This combined kit features one part of the LINK™ exhaust system options for your R1 including the slip-on

mid pipe and end-cap while the canister is aluminum

All spring rates are +/- 2

5 lambda bungs

ALPINESTARS SP-1 v2 Vented Shoes - Black - US 9 / EU 43 2511318110043 Race Pro Slip-On Mufflers The air injection system pumpsMicrofiber upper Perforated microfiber panels on lateral and medial quarter areas plus medial side perforation zone for enhanced airflow Tongue is made with breathable mesh to improve airflow Rear accordion panel is lightweight padded material Speed lacing system derived from Alpinestars MotoGP technology for a quick, precise, secure closure Ankle opening closure system using a hook and loop strap with debossed Alpinestars logo Foam backed double