Schoenfeld Straight Exhaust Pipe Extension 2-1/2" Diameter 4 ft Long 1 End Expanded - Steel 11564A2 Manufactured from heavy-wall 35mm (front)

Manufactured from heavy-wall 35mm (front) and 25mm (rear) DOM tubing

and testing facilities

NecksGen REV 2 LITE uses the quick release helmet attachment system proprietary on all NecksGen products

but many trucks and SUV's had flat tappet cams until the mid 90's

Schoenfeld Straight Exhaust Pipe Extension 2-1/2" Diameter 4 ft Long 1 End Expanded - Steel 11564A2 Manufactured from heavy-wall 35mm (front)Product Description: Exhaust Pipe Extension Straight 2 1 2 in Diameter 4 ft Long 1 End Expanded Steel Natural Sold Individually 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,