GMC Mufflers & Resonators

Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each

Part Number: APH-X503

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, Super 40 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-953047

4.79 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, 40 Series, 3 in. Inlet/3 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-8043043

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, Glasspack, 2.500 in. Inlet/2.500 in. Outlet, Steel, Red, Each

Part Number: IMM-87516CB

4.5 out of 5 stars ( 28 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Muffler, Super 50 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Aluminized, Each

Part Number: FLO-52558

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, Salute, Oval, 3.000 in. Inlet/3.000 in. Outlet, Stainless Steel, Natural, Each

Part Number: IMM-SA1229

4.68 out of 5 stars ( 25 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: FLO-42443

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Muffler, Super 40 Series Delta Flow, Oval, Stainless, Black, 3.5 in. Offset Inlet/Outlet, Chevy, Ford, Ram

Part Number: FLO-853548

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, Super Turbo, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17749

4.75 out of 5 stars ( 32 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Muffler, Super 40 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-953046

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, Ultra Flo Welded, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Each

Part Number: WLK-17219

4.86 out of 5 stars ( 22 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Muffler, FlowFX Series, Round, 3.0 in. Inlet, 3.0 in. Outlet, 409 Stainless Steel, Natural Finish, Each

Part Number: FLO-72619

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Muffler, 70 Series Big Block II, Oval, Stainless, 3 in. Center Inlet, 3 in. Offset Outlet, 22 in. Case Length

Part Number: FLO-853072

4.67 out of 5 stars ( 27 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, Big Block 50 Series, Dual 3 in. Inlet/3 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-530513

4.43 out of 5 stars ( 23 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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: Monday 3/23/2026 if shipped by air

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Muffler, American Thunder 40 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-430402

4.76 out of 5 stars ( 21 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Muffler, Super 40 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-953048

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: FLO-942543

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, Ultra Flo Welded, 3 in. Inlet/3 in. Outlet, Stainless Steel, Each

Part Number: WLK-17221

4.27 out of 5 stars ( 22 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Muffler, Super 40 Series, Oval, Stainless, Offset 2.5 in. Inlet, Center 2.5 in. Outlet, 13.5 in. Case Length

Part Number: FLO-852546

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, FlowFX Series, 3 in. Inlet/2.5 in. Outlets, Stainless Steel, Natural, Each

Part Number: FLO-72198

4.29 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Muffler, Super 50 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Aluminized, Each

Part Number: FLO-53056

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: FLO-952546

4.81 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, Chevy, GMC, Each

Part Number: WLK-21762

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Muffler, Super Turbo, 3 in. Inlet/3 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17792

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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