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2004 SUBARU Mufflers & Resonators

Showing In Stock Items. Show All 49 Items.

Individual Parts

Part Groups

Results 1 - 25 of 40

Flowmaster 40 Series Steel 2.25 Inch Muffler 42441

Muffler, American Thunder 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-42441

4.88 out of 5 stars ( 32 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Flowmaster FlowFX 409 Stainless Steel 2.25 Inch Muffler 71225

Muffler, FlowFX Series, 2.25 in. Offset Inlet/2.25 in. Center Outlet, Stainless Steel, Natural, Each

Part Number: FLO-71225

4.58 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Flowmaster Super 44 Series Steel 2.25 Inch Muffler 942446

Muffler, Super 44 Series, 2.25 in. Inlet/2.25 in. Outlet, Steel, Black, Each

Part Number: FLO-942446

4.67 out of 5 stars ( 30 )

Estimated Ship Date: Today

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Flowmaster 40 Series Delta Flow Steel 2.25 Inch Muffler 942441

Muffler, Delta Flow 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-942441

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Flowmaster Stainless Steel 40 Series 409 Stainless Steel 2.25 Inch Muffler 8042441

Muffler, 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-8042441

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Flowmaster Stainless Steel Super 44 Series 409 Stainless Steel 2.25 Inch Muffler 842446

Muffler, Super 44 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842446

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Walker 1.90 Inch Resonator 56044

Exhaust Resonator, Steel, Aluminized, Subaru, Each

Part Number: WLK-56044

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Intermediate Pipes 68454

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026

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AP Exhaust - Mufflers for 2000-2004 LEGACY, OUTBACK - SU7205

Mufflers, Muffler - Center, ANSA OER

Part Number: APH-SU7205

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Walker Replacement Steel 2 Inch Muffler 18922

Muffler, Replacement, Oval, Steel, Aluminized, 2.00 in. Offset Inlet, 2.00 in. Center Outlet, Subaru, Each

Part Number: WLK-18922

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

BRExhaust Direct-Fit Steel Inch Muffler 229-001

Mufflers, Direct-Fit, Single Inlet, 2.00 in. Single Outlet, Steel, Aluminized, Round Case, 44.25 in. Overall Length, Subaru, 2.5L, Each

Part Number: BRE-229-001

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Walker Quiet-Flow SS 409 Stainless Steel 2 Inch Muffler 54600

Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, Offset Inlet, Center Outlet, Subaru, 2.5L, 3.0L, Each

Part Number: WLK-54600

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust OE Replacement Steel Inch Muffler 7480

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026

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Walker Quiet-Flow SS 409 Stainless Steel Inch Muffler 54601

Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, Subaru, Each

Part Number: WLK-54601

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Walker Resonators for 2002-2005 IMPREZA, FORESTER, 2005 9-2X - 55363

Resonator, Steel, Natural, Subaru, Each

Part Number: WLK-55363

4.33 out of 5 stars ( 3 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Intermediate Pipes 58474

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026

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BRExhaust Direct-Fit Exhaust Resonators for 2005-2006 9-2X, 2004-2008 FORESTER, 2002-2007 IMPREZA - 280-115

Exhaust Resonator and Pipe Assembly, Exhaust Resonator and Pipe Assembly

Part Number: BRE-280-115

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Walker Quiet-Flow SS 409 Stainless Steel 2 Inch Muffler 54563

Muffler, Quiet-Flow SS, Stainless Steel, Aluminized, Subaru, 2.5L, Each

Part Number: WLK-54563

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust OE Replacement Steel Inch Muffler 7491

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026

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Walker Direct-Fit SoundFX Steel 2 Inch Muffler 18967

Mufflers, Direct Fit SoundFX, Steel, Aluminized, 41.000 in. Overall Length, Subaru, 2.5L, 3.0L, Each

Part Number: WLK-18967

3.67 out of 5 stars ( 3 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

AP Exhaust - Mufflers for 2004-2005 FORESTER - SU8807

Mufflers, Muffler - Rear, ANSA OER

Part Number: APH-SU8807

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

AP Exhaust - Mufflers for 2003-2005 FORESTER, 2002-2005 IMPREZA - SU7405

Mufflers, Muffler - Center, ANSA OER

Part Number: APH-SU7405

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

AP Exhaust - Mufflers for 2000-2004 OUTBACK - SU7347

Mufflers, Muffler - Rear, ANSA OER

Part Number: APH-SU7347

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

BRExhaust Direct-Fit Steel 2 Inch Muffler 108-0093

Mufflers, Direct-Fit, 2.00 in. Inlet/Outlet, Steel, Aluminized, Subaru, Each

Part Number: BRE-108-0093

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

AP Exhaust - Mufflers for 2000-2004 LEGACY - SU7207

Mufflers, Muffler - Rear, ANSA OER

Part Number: APH-SU7207

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Walker Quiet-Flow SS 409 Stainless Steel 2 Inch Muffler 54319

Muffler, Quiet-Flow SS, Oval, Stainless, Aluminized, 2.00 in. Offset Inlet, 2.00 in. Offset Outlet, Subaru

Part Number: WLK-54319

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

AP Exhaust - Mufflers for 2004-2005 FORESTER - SU8805

Mufflers, Muffler - Center, ANSA OER

Part Number: APH-SU8805

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Walker 2 Inch Resonator 56243

Exhaust Resonator, Steel, Natural, 2.00 in. Inlet, 2.00 in. Outlet, 62.00 in. Length, Each

Part Number: WLK-56243

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

BRExhaust Direct-Fit Steel 2 Inch Muffler 108-0086

Mufflers, Direct-Fit, 2.00 in. Inlet/Outlet, Steel, Aluminized, Subaru, 2.5L, 3.0L, Each

Part Number: BRE-108-0086

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

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