ALPINESTARS Supertech R10 Helmet Spoiler - Standard - Solid - Gloss Black 8951624-0190 Toggle Switch The inter core tube is

The inter core tube is made of stainless that slips over the entrance and into the exit cap that is a stamped Titanium

The New Octagon Silencer Design Features a Titanium silencer body with Titanium end caps and a Carbon Fiber beauty cover

This no compromise approach yielded an exhaust system that outperforms the competition in every way

1-3/4” headpipes step up to 1-7/8” into the collector to increase flow and improve performance

ALPINESTARS Supertech R10 Helmet Spoiler - Standard - Solid - Gloss Black 8951624-0190 Toggle Switch The inter core tube isReplacement standard spoiler for Alpinestars Supertech R10 helmets