Not CARB Approved, does not ship to California

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.

• Pentagonal-shaped muffler
• Maximized internal volume
• Polyresonant duplex front chamber
• Stepped, two-stage core baffle
• Spark Arrestor/Sound Insert Compatible

OVERSIZED ITEM: Oversized items do not qualify for free return shipping - Return Policy

PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov