Schoenfeld 48" Collector Extension - 3" Diameter Ignition Control 510" OD works well with

510" OD works well with our 26120 and 26056 valve springs in

2013-2017 Audi S7

Includes cutout for factory wiring harness mounting

1996-2023 GMC Savana 2500

Package of 40

Schoenfeld 48" Collector Extension - 3" Diameter Ignition Control 510" OD works well withAll extensions are expanded on one end 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. Product