2003 GMC SIERRA 1500 HD Exhaust

Headers, Street, Shorty, Steel, Temporary Paint, Cadillac, Chevy, GMC, Hummer, Small Block LS, Pair

Part Number: HED-69690

4.56 out of 5 stars ( 34 )

Estimated Ship Date: Monday 2/9/2026

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Catalytic Converter, CalCal Universal, One Inlet, 3 in., One Outlet, 3 in., Stainless Steel, Ceramic Honeycomb, Each

Part Number: WLK-83404

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Catalytic Converters, Universal, 3-way, Stainless Steel Case, 3.000 in. Slip Fit Inlet/Outlet, 13.000 in. Overall Length, Each

Part Number: MPE-447209

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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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 2/9/2026

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Headers, Street, Shorty, Steel, Temporary Paint, Cadillac, Chevy, GMC, Small Block LS, Pair

Part Number: HED-69680

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 24, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet, 3.00 in. Slip Fit Outlet, 57.00 in. Overall Length, Left, Chevrolet, GMC, Each

Part Number: APH-645455

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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• Oversize $44.99
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EXHAUST MANIFOLD PASSENGER SIDE CHEVROLET SILVERADO 1500 / GMC SIERRA 1500 V8 2002-2013

Part Number: BDD-1041401

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Exhaust Pipes, Direct-Fit Intermediate Pipes, Stainless Steel, Natural, 2.500 in. O.D., Chevrolet, GMC, Each

Part Number: BRE-107-0260

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.85 in. Slip Fit Outlet, 30.50 in. Overall Length, Right, Chevrolet, GMC, Each

Part Number: APH-645454

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Catalytic Converter, Direct Fit, Stainless Case, for Trucks with 153 in Wheelbase Only, Chevy, GMC, 6.0L, 8.1L

Part Number: CTO-9223

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Converter - Direct Fit

Part Number: CTO-9222

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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