GMC Mufflers & Resonators

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 2/9/2026

Muffler, Big Block II 70 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-53070

4.65 out of 5 stars ( 23 )

Estimated Ship Date: Monday 2/9/2026

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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 2/9/2026

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Mufflers, FlowFX, Oval Case, Stainless Steel, Natural, Dual 3.00 in. Center Inlet/Dual 3.00 in. Center Outlet, 24.000 in. Overall Length, Each

Part Number: FLO-72469

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: FLO-943043

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: WLK-17222

4.96 out of 5 stars ( 25 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: FLO-8042543

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: FLO-8043041

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/9/2026

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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

4.75 out of 5 stars ( 20 )

Estimated Ship Date: Monday 2/9/2026

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 2/9/2026

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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 2/9/2026

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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 2/9/2026

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

Part Number: FLO-942547

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: FLO-71235

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/9/2026

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 2/9/2026

Muffler, Quiet-Flow 3, 3 in. Inlet/3 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-21054

4.25 out of 5 stars ( 40 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: FLO-52556

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

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Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-17537

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/9/2026

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 2/9/2026

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 2/9/2026

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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 2/9/2026

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Muffler, Big Block II 70 Series, Dual 2 1/4 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-524703

4.54 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: FLO-952548

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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Muffler, Big Block II 70 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-52571

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/9/2026

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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 2/9/2026

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