2003 GMC SIERRA 1500 Exhaust

Headers, Street, Shorty, Steel, Black Ceramic Coated, Cadillac, Chevy, GMC, Pair

Part Number: HED-69683

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Passenger Side Exit, Natural, Polished Tip, Chevy/GMC, Pickup, V8, Kit

Part Number: MBR-S5014409

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 6, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Cadillac, GMC, 6.0L, Driver Side, Each

Part Number: MPE-93601

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Estimated Ship Date: May 18, 2026 if ordered today

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

Part Number: STW-FLCP-2-5

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Estimated Ship Date: Today

Intermediate Pipe, Steel, Aluminized, Chevy, GMC, Pickup, Each

Part Number: WLK-53104

3.8 out of 5 stars ( 5 )

Estimated Ship Date: May 27, 2026 if ordered today

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Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Blue, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505BL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ceramic Manifold, GENERAL MOTORS 2020-99

Part Number: RNB-674-522XD

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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

Part Number: ATP-101262

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Estimated Ship Date: May 11, 2026 if ordered today

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Tail Pipe, Max Fit, 2.500 in., Steel, Aluminized, Chevy, GMC, Driver Side, Each

Part Number: APH-127670

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Estimated Ship Date: Today

• Oversize $59.99

Muffler, Salute, Oval, 3.000 in. Inlet/Two 3.000 in. Outlet, Stainless Steel, Natural, Each

Part Number: IMM-SA2298

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Estimated Ship Date: May 15, 2026 if ordered today

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Exhaust System, American Thunder, Cat-Back, Stainless Steel, Chevy, GMC, 4.8, 5.3L, Kit

Part Number: FLO-817435

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Exhaust Tailpipe, Steel, Aluminized, 2.75 in. Diameter, Chevy, GMC, Each

Part Number: WLK-55187

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Oversize $9.99

Exhaust, Cat-Back, Stainless Steel, Polished Stainless Tip, Chevy, GMC, Pickup, 4.8, 5.3L

Part Number: MPE-15778

3.33 out of 5 stars ( 3 )

Estimated Ship Date: May 15, 2026 if ordered today

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

Part Number: RNB-674-522HS

Not Yet Reviewed

Estimated Ship Date: Today

Muffler, Replacement, 3.0 in. Center Inlet/Dual 2.25 in. Outlets, Steel, Aluminized, Each

Part Number: SUM-638011

4.27 out of 5 stars ( 15 )

Estimated Ship Date: Today

Muffler, Pro, 3.000 in. Inlet/3.000 in. Outlet, Steel, Aluminized, Each

Part Number: IMM-7411CB

3.5 out of 5 stars ( 2 )

Estimated Ship Date: May 18, 2026 if ordered today

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Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, Pickup, 4.3L, Pair

Part Number: JBA-1842S-9

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Split Side Exit, Natural, Polished Tip, Chevy/GMC, Pickup, V8, Kit

Part Number: MBR-S5018409

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Jul 6, 2026 if ordered today

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Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Split Rear Exit, Natural, Polished Tip, Chevy, GMC, Pickup, V8, Kit

Part Number: MBR-S5016409

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 7, 2026 if ordered today

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Catalytic Converter, CalCat Universal, One Inlet, 2.50 in., One Outlet, 2.50 in. Stainless Steel, Monolithic Catalyst, Each

Part Number: WLK-83508

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Muffler, Quiet-Flow 3, 2.625 in. Inlet/Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-21423

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Exhaust System, Installer Series, Cat-Back, Steel, Split Rear Exit, Aluminized, Polished Tip, Chevy, GMC, Pickup, V8, Kit

Part Number: MBR-S5016AL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 6, 2026 if ordered today

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Exhaust System, Installer Series, Cat-Back, Steel, Split Side Exit, Aluminized, Polished Tip, Chevy, GMC, Pickup, V8, Kit

Part Number: MBR-S5018AL

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 7, 2026 if ordered today

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Exhaust System, Installer Series, Cat-Back, Steel, Split Side Exit, Aluminized, Polished Tip, Chevy, GMC, Pickup, Kit

Part Number: MBR-S5022AL

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 7, 2026 if ordered today

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Intermediate Pipe, Steel, Aluminized Finish, 2.75 in. o.d., Chevy, GMC, 4.3L, 4.8L, 5.3L, Each

Part Number: WLK-54257

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Oversize $9.99