Walker Exhaust Exhaust Muffler 21551
Walker Exhaust Exhaust Muffler 21551

Walker Exhaust Exhaust Muffler P/N:21551

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$240.99
MPN: 21551
Item Package Quantity: 1
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Walker Exhaust Exhaust Muffler P/N:21551
Walker Exhaust Exhaust Muffler P/N:21551
$240.99

Quiet a loud, droning exhaust with the Walker Exhaust Muffler 21551. As the muffler in the exhaust system, it routes engine exhaust gases through its internal chambers to dampen combustion noise on the way to the tailpipe, helping deliver the sound level the exhaust was designed for.

  • Core job: reduces exhaust noise as gases pass from the engine through the exhaust system.
  • Replacement muffler: cross-references the numbers listed below — match one to confirm compatibility.
  • Signs it may need replacing: louder or droning exhaust, a rattle from inside the muffler, or a visible rust-through or leak. Have the cause diagnosed before replacing, since a leak can originate elsewhere in the exhaust.

Fitment is not listed in our catalog for this part — do not order by vehicle alone; verify by matching one of the interchange numbers below or by checking the Buyer's Guide tab.

Interchange: 15102930 · 15102934 · 15221830 · 25834227 · 25834230

Manufacturer part number 21551 · Part Eazy SKU 21551

This part cross-references / interchanges with the following part numbers:

15102930, 15102934, 15221830, 25834227, 25834230

Frequently Asked Questions

What does this Walker muffler do?

It is the exhaust system's muffler, routing engine exhaust gases through internal chambers to dampen combustion noise before they reach the tailpipe.

How do I confirm this muffler fits my vehicle?

No vehicle fitment is listed for this part, so match one of the interchange numbers (15102930, 15102934, 15221830, 25834227, 25834230) or check the Buyer's Guide tab.

What part numbers does it interchange with?

It cross-references 15102930, 15102934, 15221830, 25834227, and 25834230. Its own manufacturer part number is 21551.

What are signs my muffler needs replacing?

A louder or droning exhaust, an internal rattle, or visible rust-through or a leak. Have the cause diagnosed first, as a leak can come from elsewhere in the exhaust.

Will replacing the muffler make my exhaust quieter?

If a worn or leaking muffler is the cause of the added noise, replacing it can help restore the exhaust's intended sound level. Diagnose the source of the noise before replacing.

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