Schoenfeld Slip-Together Reducers - 3-1/2" I.D. to 3" O.D. Diameter H775CA3L 1984-1991 GMC B6000

1984-1991 GMC B6000

1980-1981 Pontiac Firebird

Adapters Fit 3/8 - 16 Threads

GM G-Body 1978-81

Roller Wheels

Schoenfeld Slip-Together Reducers - 3-1/2" I.D. to 3" O.D. Diameter H775CA3L 1984-1991 GMC B6000Connects collectors to muffler and other applications. 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 mufflers, mandrel bends, exhaust reducers, header gaskets, and more.