RS-4 HEADER/CANISTER/END CAP EXHAUST SLIP-ON SS-AL-CF 100-PERCENT You don’t need to compromise

You don’t need to compromise on safety to get a great warm weather glove

Alpinestars Drystar® 100% waterproof and breathable membrane

A catalytic converter is incorporated within the system to meet EC/ECE type approval (Euro 5+)

Large stretch panel on the back of the shoulders and arms to increase flexibility and movement

Specifically engineered for use with all Alpinestars racing suits

RS-4 HEADER/CANISTER/END CAP EXHAUST SLIP-ON SS-AL-CF 100-PERCENT You don’t need to compromiseDescription: RS 4 exhaust systems illustrates the endless cycle of development. Working in conjunction with the factory teams has provided us with new ways to increase performance, lower sound levels and centralize mass. The end result is a product that gives you an unparalleled competitive advantage. Features: Pentagonal shaped muffler Maximized internal volume Polyresonant duplex front chamber Stepped, two stage core baffle Spark Arrestor Sound