Mufflers

Muffler, 6000 Series Pro Street, Rectangular, Chambered, Steel, Aluminized, 2.50 in. Center Inlet/2.50 in. Center Outlet, Each

Part Number: SIH-6331

4.82 out of 5 stars ( 11 )

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Muffler, 9000 Super Pro Street, Rectangular, Chambered, Steel, Aluminized, 2.5 in. Offset Inlet/2.5 in. Offset Outlet, Each

Part Number: SIH-9334

5.0 out of 5 stars ( 6 )

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Muffler, 9000 Series Super Pro Street, Rectangular, Chambered, Steel, Aluminized, 2.50 in. Center Inlet/2.50 in. Center Outlet, Each

Part Number: SIH-9331

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Muffler, 6000 Series Pro Street, Rectangular, Chambered, Steel, Aluminized, 2.50 in. Offset Inlet/2.50 in. Offset Outlet, Each

Part Number: SIH-6334

4.5 out of 5 stars ( 2 )

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Muffler, 6000 Series Pro Street, Rectangular, Chambered, Steel, Aluminized, 2.50 in. Offset Inlet/2.50 in. Center Outlet, Each

Part Number: SIH-6333

5.0 out of 5 stars ( 2 )

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Muffler, 9000 Series Super Pro Street, Rectangular, Chambered, Steel, Aluminized, 2.50 in. Offset Inlet/2.50 in. Center Outlet, Each

Part Number: SIH-9333

5.0 out of 5 stars ( 1 )

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Muffler, 9000 Series Super Pro Street, Rectangular, Chambered, Steel, Aluminized, 2.50 in. Dual Inlet/2.50 in. Dual Outlet, Each

Part Number: SIH-93310

4.0 out of 5 stars ( 1 )

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Muffler, 6000 Series Pro Street, Rectangular, Chambered, Steel, Aluminized, 2.50 in. Center Inlet/2.50 in. Offset Outlet, Each

Part Number: SIH-6332

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Muffler, 6000 Series Pro Street, Rectangular, Chambered, Steel, Aluminized, 2.50 in. Offset Inlet/2.50 in. Offset Outlet, Each

Part Number: SIH-6335

4.0 out of 5 stars ( 2 )

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Muffler, 9000 Series Super Pro Street, Rectangular, Chambered, Steel, Aluminized, 2.50 in. Center Inlet/2.50 in. Offset Outlet, Each

Part Number: SIH-9332

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Mufflers, MSL Maximum, Steel, Aluminized, Round Case, 2.50 in. Offset Inlet, 2.25 in. Offset Outlet, 37.50 in. Overall Length, Each

Part Number: APH-6542

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 7.4L, Each

Part Number: APH-3906

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Muffler, Tru-Fit Series, Steel, Aluminized, 2.50 in. Inlet/2.25 in. Outlet, Each

Part Number: WLK-18132

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Nissan, 2.4, 3.0L, Each

Part Number: APH-3283

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Muffler, MSL, Nissan, Each

Part Number: APH-6695

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Estimated Ship Date: Feb 2, 2026 if ordered today

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