1998 GMC Mufflers

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

Part Number: FLO-43043

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

Muffler, Super 44 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-943048

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Muffler, Super 44 Series, 3 in. Inlet/3 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-843048

4.6 out of 5 stars ( 5 )

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

Part Number: FLO-953048

5.0 out of 5 stars ( 8 )

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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: Today

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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 )

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

Part Number: FLO-53058

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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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: Today

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Muffler, Super 50 Series, Dual 2 1/4 in. Inlet/ 3 in. Outlet, Steel, Black, Aluminized, Each

Part Number: FLO-524553

4.91 out of 5 stars ( 11 )

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Muffler, Super 40 Series, Oval, Stainless, Offset 3.0 in. Inlet/Outlet, 13.5 in. Case Length, Each

Part Number: FLO-853048

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Muffler, SUV 50 Series, Dual 2 1/4 in. Inlet/ 3 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-8524553

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Chevy, GMC, C/K-Series Pickup, Each

Part Number: WLK-21400

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: WLK-17513

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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

Part Number: WLK-17289

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Muffler, Quiet-Flow 3, 3in. Inlet/2 3/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-21367

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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Muffler, School Bus, Round, Stainless Steel, Natural, 39.00 in. Overall Length, Each

Part Number: WLK-22566

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Feb 11, 2026 if ordered today

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Mufflers, Direct-Fit, 2.00 in. Dual Inlet, 2.75 in. Single Outlet, Steel, Aluminized, Oval Case, 25.75 in. Overall Length, Cadillac, Chevy, GMC, Each

Part Number: BRE-100-7086

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Walker Quiet-Flow SS Muffler

Part Number: WLK-21482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 10, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Isuzu, Each

Part Number: APH-2184

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Mufflers, Direct-Fit, Single Inlet, 2.75 in. Single Outlet, Steel, Aluminized, Oval Case, 39.50 in. Overall Length, Chevrolet, GMC, Each

Part Number: BRE-100-7141

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Mufflers, Direct-Fit, 2.25 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 32.50 in. Overall Length, Chevrolet, GMC, Oldsmobile, Each

Part Number: BRE-100-5230

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Mufflers, Direct-Fit, Single Inlet, 2.00 in. Dual Outlet, Steel, Aluminized, Oval Case, 29.00 in. Overall Length, Chevrolet, GMC, Each

Part Number: BRE-100-5335

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Mufflers, Direct-Fit, 2.50 in. Single Inlet/2.50 in. Dual Outlet, Steel, Aluminized, Oval Case, 29.00 in. Overall Length, Chevrolet, GMC, Each

Part Number: BRE-100-5400

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Muffler, Quiet-Flow 3, 2 in. Inlet/2 3/4 in. Outlet, Steel, Aluminized, Chevy, GMC, C/K-Series Pickup, Each

Part Number: WLK-21282

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Oval Case, Chevrolet, GMC, 5.7L, 7.4L, Each

Part Number: APH-700439

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Estimated Ship Date: Feb 6, 2026 if ordered today

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