Availability
1978 Mufflers
Showing In Stock Items. Show All 33 Items.
Muffler, Delta Flow 40 Series, 2 in. Inlet/2 in. Outlet, Steel, Black, Each
Part Number: FLO-942041
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Muffler, Delta Flow 50 Series, 2 in. Inlet/2 in. Outlet, Steel, Black, Each
Part Number: FLO-942051
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 in. Outlet, Steel, Aluminized, Chevy, GMC, Pontiac, Each
Part Number: WLK-21784
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Delta Flow 40 Series, 2 in. Inlet/2 in. Outlet, Steel, Black, Each
Part Number: FLO-942043
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Muffler, SoundFX, Steel, Aluminized, 2.5 in. Inlet, 2.0 in. Outlet, 26.0 in. Length, Each
Part Number: WLK-18293
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Glasspack, Red Pack, Steel, Red, 2.00 in. Inlet/2.00 in. Outlet, 26 in. Length, Each
Part Number: MPE-13134
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Muffler, Quiet-Flow 3, 2 in. Inlet/2 in. Outlet, Steel, Aluminized, Chevy, Dodge, GMC, Each
Part Number: WLK-21169
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Tru-Fit, Steel, Aluminized, 2.0 in. Inlet, 2.0 in. Outlet, 25.0 in. Length, Each
Part Number: WLK-18101
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 33.00 in. Overall Length, Ford, Each
Part Number: WLK-18238
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
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Muffler, Tru-Fit Series, Steel, Aluminized, 2.25 in. Inlet/2.00 in. Outlets, Each
Part Number: WLK-18104
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, SoundFX Series, Steel, Aluminized, 2.25 in. Inlet/2.00 in. Outlet, Each
Part Number: WLK-17869
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Muffler, Tru-Fit, Steel, Aluminized, 2.0 in. Inlet, 2.0 in. Outlet, 21.0 in. Length, Each
Part Number: WLK-18102
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, SoundFX Series, Steel, Aluminized, 2.00 in. Inlet/2.00 in. Outlet, Each
Part Number: WLK-17840
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Muffler, Challenge, Steel, Aluminized, Chevy, GMC, Each
Part Number: APH-2538
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Muffler, Tru-Fit Series, Steel, Aluminized, 2.00 in. Inlet/2.00 in. Outlet, Each
Part Number: WLK-18129
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Muffler, Tru-Fit Series, Steel, Aluminized, 2.25 in. Inlet/2.00 in. Outlet, Each
Part Number: WLK-18107
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust MSL Maximum Steel 2.25 Inch Muffler 6590
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026
Muffler, SoundFX, 2 1/4 in. Inlet/2 in. Outlet, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: WLK-18345
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust MSL Maximum Steel 2.25 Inch Muffler 700057
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026
Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 23.75 in. Overall Length, Buick, Chevrolet, Dodge, GMC, Oldsmobile, Pontiac, Each
Part Number: WLK-18275
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Muffler, SoundFX Series, Steel, Aluminized, 1.875 in. Inlet/2.00 in. Outlet, Each
Part Number: WLK-18199
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust MSL Maximum Steel 1.88 Inch Muffler 6678
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026
Mufflers, Direct Fit SoundFX, Steel, Aluminized, 23.000 in. Overall Length, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each
Part Number: WLK-18234
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 in. Outlet, Steel, Aluminized, Chevy, GMC, Each
Part Number: WLK-22171
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
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