Schoenfeld Collector Extension - 36" Length x 3-1/2" O.D. 337007 The dual pump models are

The dual pump models are designed for endurance racing where both pumps are used or one can be a reserve pump

**This is for racing use

we can confidently say our systems are the best

yet is now in a smaller housing with improved efficiency and internal components

Schoenfeld Collector Extension - 36" Length x 3-1/2" O.D. 337007 The dual pump models areSchoenfeld Collector Extensions make easy work out of fabricating your race car exhaust system. 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,