CHEVROLET 7-4L-454 CHEVY-BIG-BLOCK-MARK-IV Exhaust

Muffler, Big Block II 70 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-53071

4.53 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Exhaust hanger, Insulator, Each

Part Number: WLK-35229

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

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: Today

Catalytic Converter, Universal, Stainless Steel, 3.00 in. Inlet, 3.00 in. Outlet, 16 in. Length, Each

Part Number: MPE-334009

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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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Muffler, Delta Flow 40 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-943041

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Headers, Long Tube, Steel, Ceramic Coated, Chevy, GMC, SUV, Pickup, Big Block, Pair

Part Number: BIG-31530FLT

4.35 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Headers, Elite Extreme-Duty, Mid-Length, Steel, Silver Ceramic Coated, Chevy, Big Block, Pair

Part Number: HED-68618

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Exhaust Manifold, GM, Pickup, SUV, 7.4L/454, Passenger Side, Each

Part Number: RNB-674-268

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Headers, Tri-Y, Steel, Black Painted, Chevy, GMC, 396-454, Pair

Part Number: DOU-D303Y-B

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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• Special Order

Headers, Blockhugger, Steel, Natural, 3 in. Collector, Chevy, Big Block, Pair

Part Number: SNH-BB7-P

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Headers, Street, Mid-Length, Steel, Temporary Paint, Chevy, GMC, Big Block, Pair

Part Number: HED-65103

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Headers, Competition, Long Tube, Steel, Painted, Chevy, GMC, 396-454, Pair

Part Number: HOK-2463HKR

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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: Today

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Exhaust System, Crossmember Back w/H-Pipe 64-74 GM A Body Split Rear Dual Exit 3 in Int & Tail Pipe Street Pro Mufflers/Hardware

Part Number: PYE-SGA43S

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

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Muffler, Delta Flow 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-942441

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Headers, Super Competition, Long Tube, Steel, Ceramic Coated, Chevy, Pontiac, 396, 402, 427, 454, Pair

Part Number: HOK-2217-1HKR

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Marine Exhaust Riser, Elbow Riser, Standard Length, Cast Iron, Black Painted, Chevy, 7 Degree, 4 in. Outlet, Each

Part Number: RRA-18-1976-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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: Today

• $20.00 Summit Bucks

Exhaust Tip, Single, Oval, Clamp-on, Steel, Chrome, 3 in. Inlet I.D., Each

Part Number: GMK-4032881693

Not Yet Reviewed

Estimated Ship Date: Today

Headers, Street, Mid-Length, Steel, Temporary Paint, Chevy, GMC, 7.4L, Kit

Part Number: HED-69570

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Header Bolts, 3/8-16 in., 12-Point, Stainless Steel, Polished, Chevrolet, Big Block, Set of 16

Part Number: ARP-400-1217

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Exhaust Systems, High Tuck Header/Crossmember-Back, Stainless Steel, Natural, Turbo Pro Mufflers, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: PYE-SGA20T

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

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Exhaust Hangers, OE Style, Tail Pipe, Stainless Steel/Rubber, GM, A-Body, Pair

Part Number: PYE-HGH10

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Headers, Street, Long Tube, Steel, Temporary Paint, Chevy, 396, 402, 427, 454, Pair

Part Number: HED-65002

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Muffler, Super 44 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842448

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today