The spring ball on you extension holds them securely so you can easily get them to the stud
Adapt To Most Shifter Install
Flowtech new off-road-only H-Pipe is specifically designed for drag racing
Promotes increased flow for improved performance
2003-2007 Freightliner MB Line
Schoenfeld IMCA Muffler Transmission & Drivetrain Deals The spring ball on youMuffler slides into 3" or 3 1 2" collectors. Removes 9 DB of sound. 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,