2003 GMC SIERRA 1500 HD Exhaust

Header Fasteners, Locking Header Bolts, Internal Allen/Hex Head, Stainless Steel, Chevy, Set of 12

Part Number: MRG-2235G

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

Flange Manifold 5.3/6.0L CHEVY/GMC Truck Manifold Flange-Drivers 2.500" ID Hole

Part Number: STW-FLCD-2-5

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Exhaust Flange, 2-Bolt, Stainless Steel, Natural, 2.50 in. Diameter, Chevrolet, GMC, Each

Part Number: STW-FLCP-2-5

Not Yet Reviewed

Estimated Ship Date: Today

Exhaust Manifold Heat Shield, Steel, Silver, Cadillac, Chevrolet, GMC, Each

Part Number: RNB-674-522HS

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Estimated Ship Date: Today

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

Part Number: ATP-101261

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Exhaust Pipe Connector, Inside Diameter 2.750 in,, Length 43.750 in., Steel, Aluminized, Chevrolet, GMC, Each

Part Number: WLK-54901

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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