Schoenfeld Modified Long Tube Headers - SB Chevy - Spread Port - 1-3/4" Tube Diameter - 3-1/2" x 8" Collectors Hex Head Plugs When tuning an engine using

When tuning an engine using wideband AFR feedback control on an inertia dyno

It also has an output wire that can be used to activate another device based on boost pressure

2007-2018 GMC Sierra 1500

Panels measure 7" wide x 3-1/2" high and are available with and without lights

Schoenfeld Modified Long Tube Headers - SB Chevy - Spread Port - 1-3/4" Tube Diameter - 3-1/2" x 8" Collectors Hex Head Plugs When tuning an engine usingIMCA Modified Long Tube Design Longer primaries for maximum torque and horsepowerFits Dirtworks and most other Chassis' 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 turn downs, extensions, tubing bends and elbows, race mufflers, insert