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Mufflers
Showing In Stock Items. Show All 6 Items.
Muffler, MSL, Oval, Baffled, Steel, Aluminized, 3.00 in. Inlets/3.50 in. Outlets, 28.25 in. Overall Length, Each
Part Number: APH-700488
Estimated Ship Date: Today
Estimated Ship Date: Today
Challenge Muffler - Lifetime Warranty 14-16 Silverado / GMC Sierra 1500 Series 4.3L/5.3L 2WD/4WD
Part Number: APH-2621
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Muffler, MSL, Oval, Baffled, Steel, Aluminized, 3.00 in. Inlet/2.75 in. Outlet, 29.00 in. Overall Length, Each
Part Number: APH-700489
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 4.8, 5.3L, Each
Part Number: APH-2539
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Walker Quiet-Flow SS 409 Stainless Steel 3 Inch Muffler 21577
Not Yet Reviewed
Estimated Ship Date: Today
Muffler, MSL, Oval, Baffled, Steel, Aluminized, 3.00 in. Offset Inlet/Outlet, 37.50 in. Overall Length, Each
Part Number: APH-700478
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Muffler, MSL, Oval, Baffled, Steel, Aluminized, 3.00 in. Offset Inlet/Outlet, 36.50 in. Overall Length, Each
Part Number: APH-700477
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
