K&N Performance Intake Kit TYPHOON; VOLVO S40, 2004-2005 Exhaust- Mufflers & Tips>Y Pipes The air spring kit is

The air spring kit is designed with an internal jounce bumper that allows the springs to run safely with zero air pressure

The aircraft-grade aluminum construction with custom injection molded

5 Aluminum Series piggyback rear shocks in this system provide exceptional cooling properties

The Touring Edition is the sophisticated member of the B9 S4 exhaust family

K&N Performance Intake Kit TYPHOON; VOLVO S40, 2004-2005 Exhaust- Mufflers & Tips>Y Pipes The air spring kit isGain a guaranteed increase in horsepower and torque with a K&N cold air intake system featuring a mandrel bent aluminum intake tube. Each system is paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media. The oversized, conical filter design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield or air box helps protect intake air from the high