2012 GMC SIERRA 1500 Exhaust

Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51206

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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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: Today

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Exhaust Manifold, Cast Iron, Passenger Side, Cadillac, Chevy, GMC, 4.8, 5.3, 6.0L, Each

Part Number: RNB-674-732

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Muffler, Performance, Center 3.00 in. Inlet/Dual 2.50 in. Outlet, 14 in. Long Oval Case, 20 in. x 8 in. x 5 in., 409 Stainless Steel, Natural, Each

Part Number: MPE-12198

4.77 out of 5 stars ( 30 )

Estimated Ship Date: Today

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Exhaust Manifold, Cadillac, Chevy, GMC, Hummer, Pickup, SUV, Van, 4.8, 5.3, 6.0L, Driver Side, Each

Part Number: RNB-674-522

4.62 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Muffler, FlowFX Series, 3.5 in. Inlet/3.5 in. Outlet, Stainless Steel, Natural, Oval Body, Each

Part Number: FLO-74151

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

Part Number: WLK-17233

4.7 out of 5 stars ( 10 )

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Intermediate Pipe, Outside Diameter 3.000 in., Steel, Aluminized, Chevrolet, GMC, Each

Part Number: WLK-54821

5.0 out of 5 stars ( 1 )

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

Part Number: FLO-53072

5.0 out of 5 stars ( 3 )

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Intermediate Pipes, Exhaust, Steel, Aluminized, Chevrolet, GMC, Each

Part Number: APH-38976

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converters, Universal, Single 2.50 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 16.00 in. Overall Length, Each

Part Number: APH-608216

Not Yet Reviewed

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Muffler, Ultra Flo Welded, 3 in. Inlet/Dual 2 1/2 in. Outlet, Stainless Steel, Each

Part Number: WLK-17228

3.0 out of 5 stars ( 2 )

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Intermediate Pipe, Outside Diameter 3.000 in., Stainless Steel, Natural, Chevrolet, GMC, Each

Part Number: WLK-55536

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Feb 11, 2026 if ordered today

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Catalytic Converters, Universal, Single 2.50 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 13.750 in. Overall Length, Each

Part Number: APH-608286

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 12.5 in. Length, Each

Part Number: CTO-2566

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Exhaust Manifold, OEM Replacement, Cast Iron, Chevrolet, GMC, Each

Part Number: RNB-674-523

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Mufflers, Direct-Fit, 3.00 in. Inlet, 2.75 in. Outlet, Steel, Aluminized, Oval Case, 29.00 in. Overall Length, Chevrolet, GMC, Each

Part Number: BRE-100-7251

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Exhaust Pipes, Direct-Fit Intermediate Pipes, Steel, Aluminized, 3.000 in. O.D., Chevrolet, GMC, Each

Part Number: BRE-102-9068

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Exhaust Manifolds, Cast Iron, Natural, Right, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: ATP-101371

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-84802

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Exhaust Manifold, OEM Replacement, Cast Iron, Chevrolet, GMC, Each

Part Number: RNB-674-524

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ceramic Manifold

Part Number: RNB-674-732XD

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ceramic Manifold, GENERAL MOTORS 2020-99

Part Number: RNB-674-522XD

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Intermediate Pipes, Exhaust, Steel, Aluminized, Chevrolet, GMC, Each

Part Number: APH-48697

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Estimated Ship Date: Feb 9, 2026 if ordered today

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