2003 Manifolds Exhaust | Summit Racing

Allstar Performance Exhaust Block-Off Plates ALL34219

Exhaust Block Off Plate Set BB Chevy, Aluminum, Pair

Part Number: AAF-ALL34219

Not Yet Reviewed

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Hooker Blackheart LS Swap Exhaust Manifolds 8503-1HKR

Exhaust Manifolds, Blackheart, Shorty, LS Swap, 1 3/4 in. Primaries, 2 1/2 in. Outlet, Cast Stainless Steel, Polished, w/Hware/Gaskets, Universal,Pair

Part Number: HOK-8503-1HKR

5.0 out of 5 stars ( 1 )

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Dorman Exhaust Manifold Mounting Hardware 03413B

Exhaust Manifold Bolts, Steel, Zinc Plated, Cadillac, Chevy, GMC, Chrysler, Dodge, Isuzu, Jeep, Set of 12

Part Number: RNB-03413B

4.59 out of 5 stars ( 27 )

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Dorman Exhaust Manifold Mounting Hardware 03135

Exhaust Hardware, Studs, 7/16 in.-14 Thread, Ford, Set of 4

Part Number: RNB-03135

4.67 out of 5 stars ( 12 )

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Hooker Blackheart LS Turbo Exhaust Manifolds 8510-3HKR

Exhaust Manifolds, Turbo, Ductile Iron, Black Ceramic, 3.0 in. Turbo Outlet/2.25 in. Crossover Connection, Chevrolet LS, Gen III/Gen IV, Pair

Part Number: HOK-8510-3HKR

3.0 out of 5 stars ( 1 )

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Kral Original Exhaust Manifold Bolt Repair Kits KAPSGL1

Solid Steel. Precise Fitment. Hdwe Included. GM ('99-2013)4.8,5.3,6.2L LS; ('99-current)6.0L LS; (2014-current)Ecotech3 4.3,4.8,5.3,6.2,6.6L; BigBlock

Part Number: KAP-KAPSGL1

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Hooker Blackheart Exhaust Manifolds BHS558

Exhaust Manifold, Blackheart, Cast Iron, Natural, Dodge, Plymouth, Hemi Gen lll Swap, Pair

Part Number: HOK-BHS558

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Kral Original Exhaust Manifold Bolt Repair Kits KAP169

Solid Steel. Precise Fitment. Hardware Included. GM (Year 1999-2013) 4.8L, 5.3L, 6.2L LS Engines; GM (Year 1999-Current) 6.0L LS Engine

Part Number: KAP-KAP169

Not Yet Reviewed

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Dorman Exhaust Manifold Mounting Hardware 03211

Exhaust Manifold Mounting Hardware, Steel, Black, Bolts, Studs, Nuts, Chrysler, Dodge, Jeep, 5.7L, Kit

Part Number: RNB-03211

3.65 out of 5 stars ( 17 )

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Dorman Exhaust Manifolds 674-525

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

Part Number: RNB-674-525

4.38 out of 5 stars ( 8 )

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Dorman Exhaust Manifold Mounting Hardware 03412B

Exhaust Manifold Bolts, Steel, Gold Anodized, Cadillac, Chevy, GMC, Set of 6

Part Number: RNB-03412B

3.0 out of 5 stars ( 17 )

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Dorman Exhaust Manifold Clamps 917-107

Exhaust Manifold Clamp, Steel, Natural, Cadillac, Chevy, GMC, Hummer, Each

Part Number: RNB-917-107

5.0 out of 5 stars ( 5 )

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Kral Original Exhaust Manifold Bolt Repair Kits KAP54D

Solid Steel. Precise Fitment. Hardware Included. Ford (Year 1997-current) Standard 4.6L, 5.4L, 6.8L V10 engine; Repairs 2 Bolts

Part Number: KAP-KAP54D

Not Yet Reviewed

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Hooker Blackheart Exhaust Manifolds BHS582

Exhaust Manifold, Blackheart, Cast Iron, Natural, Chevy, GMC, Dodge, Plymouth, Mopar Gen III Hemi, Pair

Part Number: HOK-BHS582

5.0 out of 5 stars ( 1 )

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Dorman Exhaust Manifold Mounting Hardware 32129

Exhaust Manifold Hardware, Bolt/Stud Type, Steel, Zinc Plated, Dodge, Kit

Part Number: RNB-32129

Not Yet Reviewed

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Dorman Exhaust Manifold Mounting Hardware 03408B

Exhaust Manifold Mounting Hardware, Steel, Natural, Bolts, Studs, Nuts, Spacers, Washers, Jeep, 4.0L, Kit

Part Number: RNB-03408B

4.67 out of 5 stars ( 3 )

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Summit Racing™ LS Turbocharger Manifold and Crossover Kits 05-0173

LS Manifold and Crossover, with TH350, TH400, Kit

Part Number: CMB-05-0173

Not Yet Reviewed

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Dorman Exhaust Manifolds 674-746

Exhaust Manifold, Cast Iron, Driver Side, Ford, 7.3L, Diesel, Each

Part Number: RNB-674-746

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Kral Original Exhaust Manifold Bolt Repair Kits KAP108

Solid Steel. Precise Fitment. Hardware Included. GM (Year 1999-2013) 4.8L, 5.3L, 6.2L LS Engines; GM (Year 1999-Current) 6.0L LS Engine

Part Number: KAP-KAP108

Not Yet Reviewed

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Pacific Performance Engineering Exhaust Manifolds 116111035

Exhaust Manifolds, High Silicon Cast Iron, Silver Ceramic Coated, Includes Stainless Steel Up-pipes, Chevrolet, GMC, 6.6L Diesel, LB7, Kit

Part Number: PPE-116111035

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Kral Original Exhaust Manifold Bolt Repair Kits KAP108D

Solid Steel. Precise Fitment. Hardware Included. GM (Yr 1999-2013) 4.8L, 5.3L, 6.2L LS Engines; GM (Yr 1999-Current) 6.0L LS Engine; Repairs 2 Bolts

Part Number: KAP-KAP108D

Not Yet Reviewed

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Dorman Direct-Fit Manifold Catalytic Converters for 1998-2004 GS300, 2001-2005 IS300, 1998-2000 SC300 - 674-642

Exhaust Manifold With Integrated Catalyic Converter

Part Number: RNB-674-642

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dorman Exhaust Manifold Clamps 917-142

Exhaust Manifold Clamp, Steel, Black, Cadillac, Chevy, GMC, Hummer, Each

Part Number: RNB-917-142

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Flowtech Rams Horn Exhaust Manifolds 11704-2FLT

Exhaust Manifolds, Rams Horn, Cast Iron, Chrome, Chevy, Small Block, Pair

Part Number: BIG-11704-2FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Cast Exhaust Manifolds SUM-G9200N

4.25 out of 5 stars ( 59 )

Estimated Ship Date: Tomorrow

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Dorman Exhaust Manifold Mounting Hardware 03412

Exhaust Manifold Hardware, Bolt/Stud, Steel, Nickel Plated, Set of 8

Part Number: RNB-03412

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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