The OTR 3-1/2" Size 12-Gauge Aluminized Steel Exhaust Connector is the perfect solution for your exhaust system needs. It features de-burred and finished end cuts for safe handling and notched ends for easy installation where applicable. The aluminized steel construction provides added corrosion resistance. This exhaust connector will provide a secure and reliable connection for your exhaust system. FleetPride is your First Click in Heavy Duty®.