Injen SES2117 INJ Axle Back Exhaust fuel-air-manifold-gaskets the race bubble design helps

the race bubble design helps diminish the air effect on a riders' helmet

1991-1994 Kawasaki KDX250

2006-2009 Ski-Doo GTX 550 Fan

1970-1972 Ski-Doo Olympique 399

2004 Polaris Predator 50

Injen SES2117 INJ Axle Back Exhaust fuel-air-manifold-gaskets the race bubble design helpsThe Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from. All of Injen Technology Performance exhaust systems are constructed from mandrel bent stainless steel tubing Mandrel bending ensures the tubing maintains its shapes and size throughout the entire length, providing smooth, unrestricted airflow. From the Investment cast flanges to the