8-5" x 55" Lower Stack with Quiet Muffler Exp. End

Lower stack with quiet muffler insert has a taper lock top and 5"ID expanded end bottom. Lower stack fits between the top stack and elbow to create a complete stack. Taper Lock design gives you a seamless fit and the flexibility to replace specific parts instead of the entire stack. These semi truck stacks measure 8" dia x 55"L. The 55" lower stacks fit most Peterbilt 359 and Peterbilt 379 models 2003-2006. One year manufacturer's warranty.
Sold individually.

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