6-5”D x 55"L Lower Stack with Quiet Muffler Exp.

Lower stack fits between top stack and elbow to complete a monster stack exhaust system. Taper Lock design provides a seamless fit. Built-in quiet muffler. 6" to 5" diameter x 55"L, 5"ID expanded end bottom.

• 55" lower stacks fit most Peterbilt 359 and Peterbilt 379 models 2003-2006
• One year manufacturer's warranty
• Made in the USA
• Sold individually

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