Schoenfeld Straight Exhaust Pipe Extension 4" Diameter 2 ft Long 1 End Expanded - Steel Helmet Support Gains 30 HP on average

Gains 30 HP on average over competitors' aluminum intakes

Use the IMSA Helmet to OFFROAD Adapter

Adapts popular GM

Volkswagen

Schoenfeld Straight Exhaust Pipe Extension 4" Diameter 2 ft Long 1 End Expanded - Steel Helmet Support Gains 30 HP on averageProduct Description: Exhaust Pipe Extension Straight 4 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, insert