Schoenfeld Straight Exhaust Pipe Extension 2-1/2" Diameter 2 ft Long 1 End Expanded - Steel Ring & Pinion Gear Set Driver input affects the amount

Driver input affects the amount of fuel you use more than anything else

This unique design uses a one piece roto-molded air intake tube/housing that snaps onto the factory lower air box for a quick hassle free installation

Single 18-20 ga

Each stage is adjustable from 0┬ ¼Î“ê₧ - 9┬ ¼Î“ê₧ and a maximum of 20┬ ¼Î“ê₧ of retard can be pulled out

Schoenfeld Straight Exhaust Pipe Extension 2-1/2" Diameter 2 ft Long 1 End Expanded - Steel Ring & Pinion Gear Set Driver input affects the amountProduct Description: Exhaust Pipe Extension Straight 2 1 2 in Diameter 2 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,