Mufflers - 4.00 Outlet Diameter (in.) - 30.00 Overall Length (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

AP Exhaust Xlerator Performance 409 Stainless Steel 4 Inch Muffler XS2772

Muffler, 7 in. Round, Stainless Steel, Rev, 30 in. Long, 4 in. Center Inlet, 4 in. Center Outlet, Each

Part Number: APH-XS2772

5.0 out of 5 stars ( 20 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Exhaust System Replacement Steel 4 Inch Muffler SUM-630100

Muffler, Replacement, For Summit® 4" Aluminized Steel Diesel Kits, Each

Part Number: SUM-630100

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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MBRP Quiet Tone Series Diesel High-Flow 409 Stainless Steel 4 Inch Muffler M1004S

Muffler, Quiet Tone Series Diesel High-Flow, Round, Stainless, 4 in. Center Inlet and Outlet, Each

Part Number: MBR-M1004S

3.5 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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MBRP Quiet Tone Series Diesel High-Flow Steel 4 Inch Muffler M1004A

Muffler, Quiet Tone Series, Round, Steel, Aluminized, 4 in. Center Inlet/Outlet, 30 in. Length, Each

Part Number: MBR-M1004A

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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Cherry Bomb Salute 409 Stainless Steel 4 Inch Muffler SA2772

Muffler, Salute, Round, 4.000 in. Inlet/4.000 in. Outlet, Stainless Steel, Natural, Each

Part Number: IMM-SA2772

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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MagnaFlow Performance 409 Stainless Steel 4 Inch Muffler 12772

Muffler, 4.00 in. Inlet/4.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-12772

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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MBRP Quiet Tone Series Diesel High-Flow 304 Stainless Steel 4 Inch Muffler M1004

Muffler, Quiet Tone Series Diesel High-Flow, Round, Stainless, 4 in. Center Inlet and Outlet, Each

Part Number: MBR-M1004

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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MBRP Installer Series Steel 4 Inch Muffler M20681

Muffler, 4.00 in. Center Inlet, 4.00 in. Center Outlet, 30.00 in. Overall length, Round, Aluminized Steel, Universal, Each

Part Number: MBR-M20681

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Dynomax Ultra Flo Welded Steel 4 Inch Muffler 17557

Muffler, Ultra Flo Welded, Oval, 4 in. Inlet/4 in. Outlet, Stainless Steel, Chevy, GMC/Hummer, Each

Part Number: WLK-17557

3.17 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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MBRP Installer Series Performance 409 Stainless Steel 4 Inch Muffler M91031

Muffler 4" Inlet /Outlet 24" Body 30" Overall, T409 Universal Replaces all 30" overall length muff

Part Number: MBR-M91031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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MBRP High-Flow Series Diesel 304 Stainless Steel 4 Inch Muffler M1031

Muffler, High Flow Series, Round, Stainless Steel, Natural, 4 in. Center Inlet/Outlet, 30 in. Length, Each

Part Number: MBR-M1031

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Gibson Superflow 304 Stainless Steel 3 Inch Muffler 788050S

Gibson Superflow 304 Stainless Steel 3 Inch Muffler 788050S

Muffler, Superflow, Two 3 in. Inlets/Two 4 in. Outlets, 30 in. Length, Stainless Steel, Polished, Each

Part Number: GIB-788050S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

AP Exhaust TruckEx Steel 3.5 Inch Muffler 3917

Muffler, TruckEx, Steel, Aluminized, International, V8, Each

Part Number: APH-3917

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today