CHEVROLET 7-4L-454 CHEVY-BIG-BLOCK-GEN-VI Exhaust

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 1.000 in. UHL, Set of 16

Part Number: PRO-66756

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/20/2025

Header Bolt, Hex Head, Steel, Black Oxide, 3/8 in.-16, 1.000 in. U.H.L., Set of 16

Part Number: MIL-84543

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 10/20/2025

Muffler, SUV 50 Series, Dual 2 1/4 in. Inlet/ 3 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-8524553

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/20/2025

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Headers, Upsweep 4x4, Stainless Steel, Natural, 2 1/4 in. Primary, Chevy, Big Block, Pair

Part Number: BIG-11551FLT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Headers, Super Competition, Shorty, Steel, Painted, Chevy, GMC, Pickup, 7.4L, 454, Pair

Part Number: HOK-2021HKR

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/20/2025

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Header Bolts, Hex Head, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, Ford, Set of 16

Part Number: ARP-400-1102

4.67 out of 5 stars ( 51 )

Estimated Ship Date: Monday 10/20/2025

Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, 7.4L, 454, Pair

Part Number: JBA-1822S

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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Header Bolts, Hex Head, 3/8 in. Wrench, Custom 450, Black Oxide, 3/8 in.-16, 1.000 in. U.H.L., Set of 16

Part Number: ARP-100-1112

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/20/2025

Headers, Street, Mid-Length, Steel, Silver Ceramic Coated, Chevy, Big Block, Pair

Part Number: HED-68666

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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

Part Number: MPE-51209

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

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Catalytic Converter, Heavy Metal, Stainless Steel, Each

Part Number: MPE-99206HM

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

• Free Shipping
• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

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Heat Protection, Spark Plug Boot Heat Shields, Straight, Aluminum, Natural, 2 3/8 in. Long, LS, Set of 8

Part Number: SUM-889511

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

Muffler, Big Block 50 Series, Dual 2 3/4 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-527504

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Starter Motor Heat Shield, 3-Layer, Chevy Small/Big Block and 90 Degree V6, Each

Part Number: MRG-3678

3.52 out of 5 stars ( 21 )

Estimated Ship Date: Monday 10/20/2025

Headers, Block Hugger, Steel, Natural, Street Rod 1923-1949 with Chevy, Big Block Chevy, BBC, 396, 402, 427, 454, Pair

Part Number: SUM-G9062

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/20/2025

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Header Bolts, Locking, Double Hex Head, Stainless Steel, Natural, Chevy, Chrysler, Ford, V8, Set of 16

Part Number: STG-8952

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/20/2025

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Spring Bolt Kit, Exhaust Manifold Hardware, Steel, Black, Buick, Cadillac, Chevy, GMC, Olds, Pontiac, Kit

Part Number: WLK-36463

4.5 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/20/2025

Header Bolts, 12-Point, 3/8 in. Wrench, Custom 450, Black Oxide, Chevy, Ford, Set of 16

Part Number: ARP-100-1202

4.9 out of 5 stars ( 21 )

Estimated Ship Date: Monday 10/20/2025

Headers, Engine Swap, Full-Length, Fenderwell, Steel, Natural, Chevy, Big Block, V8, Pair

Part Number: PTE-H8035

4.6 out of 5 stars ( 25 )

Estimated Ship Date: Monday 10/20/2025

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Headers, Dragster, Upswept, Stainless Steel, Natural, 2 1/2 in. Standard Primary, 5 in. Collectors, Chevy, Big Block, Pair

Part Number: STW-UPBBC250

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 3, 2025 if ordered today

• Drop Ship
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• Special Order

Exhaust hanger, Insulator, Each

Part Number: WLK-35229

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/20/2025

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, Ford, V8, Set of 16

Part Number: STG-8912B

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

Header Flanges, Steel, 3/8 in. Thick, 2.0 in. Diameter Round Port, Chevy, Big Block, Pair

Part Number: SUM-670201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.50 in. Diameter Round Raised Port, Chevrolet, BBC, Pair

Part Number: STW-HFBBCH250RSD

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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Headers, Tight Tubes Street Rod, Block Hugger, Steel, Temporary Paint, Chevy, Big Block, Pair

Part Number: HED-68510

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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