Schoenfeld Racing Muffler - 12" Length - 3-1/2" Core Diameter - 3-1/2" Diameter Inlet, Outlet - 4" Body Diameter NC002015A and rear-facing Venturi airflow vents

and rear-facing Venturi airflow vents that prevent dust from entering the helmet while still allowing forced air to be introduced into the helmet

Reusable Filter

Manufactured to SAE 30R9 Specifications

Top Post Cover

These units are able to absorb outstanding impacts thanks to a programmed deformation design process

Schoenfeld Racing Muffler - 12" Length - 3-1/2" Core Diameter - 3-1/2" Diameter Inlet, Outlet - 4" Body Diameter NC002015A and rear-facing Venturi airflow ventsSchoenfeld mufflers provide economical sound reduction. Check with local sanctioning body to ensure what sound requirements must be met. May not be legal for some sanctioning bodies race tracks. Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle track racing. Schoenfeld Headers is the worlds largest manufacturer of circle track headers, but they specialize in a variety of high quality exhaust parts, including