Schoenfeld Slip-Together Reducer - 3-1/2" to 3-1/2" Diameter GBDSSI Vapor is deposited as a

Vapor is deposited as a high performance reflective coating to create our black stainless steel Pro-Series tips

Replaces OE 55024254

2003-2006 GMC C7500 Topkick

When choosing to upgrade your engine to modern fuel injection

impact resistant all-weather thermoplastic that's as tough as nails (or rocks for that matter)

Schoenfeld Slip-Together Reducer - 3-1/2" to 3-1/2" Diameter GBDSSI Vapor is deposited as aAllows easy fabrication of exhaust system and muffler installation. 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,