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

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.0 in. Diameter Round Port, Chevy, Big Block, Pair

Part Number: SUM-670201-SS

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Estimated Ship Date: Today

Muffler, Glasspack, 3.000 in. Inlet/3.000 in. Outlet, Steel, Red, Each

Part Number: IMM-87518CB

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

Header Studs, Hex Nuts, Stainless Steel, Polished, 3/8 in.-16, Chevy, Big Block, Set of 16

Part Number: ARP-400-1413

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Exhaust System, Manifold-back, Dual, Stainless Steel, Natural, Factory Exit, Chevrolet, Kit

Part Number: STW-CV69BB0S

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Exhaust Tips, RESTOPARTS® Manufactured, "SS" Style, 3.00 in. Inlet, Oval, Weld-On, Steel, Chrome, Chevy, Pair

Part Number: OPG-CH32872

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Headers, Long Tube, Steel, High Temperature Black Paint, 2 1/8 in., Chevrolet, Pair

Part Number: DOU-D331-B

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Exhaust Tip, Stainless, Polished, Slant, Non-Rolled Edge, 2.5 in. Inlet, 3 in. Outlet, 13 in. Long, Each

Part Number: FLO-15362

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Crossover Pipe, X-Pipe, Balance Tube, Steel, Aluminized, 3.0 in. Diameter, Universal, Kit

Part Number: WLK-88330

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Exhaust Hanger, Rubber/Steel, Each

Part Number: WLK-35183

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Headers, Blockhugger, Steel, Natural, Street Rod, Big Block Chevy, Pair

Part Number: SNH-BB1-P

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Header Studs, Hex Nuts, Custom 450, Black Oxide, Chevy, Big Block, Set of 16

Part Number: ARP-100-1413

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Header Fasteners, Bolts, Hex Head, Stainless Steel, Chevy, Chrysler, Pontiac, Set of 12

Part Number: MRG-2210G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Headers, Clippster, Mid-length, Steel, Painted, Chevy, Big Block, Pair

Part Number: PTE-H8013-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Crossmember Back Exhaust Kit, 1964-72 GM A-Body 2.5" w/ X-change 18" Turbo Pro Muffler

Part Number: PYE-SGA11T30

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Muffler, Premium Pro-Fit, 3 in. Inlet/3 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-17809

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

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

Part Number: FLO-9430522

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Headers, Long Tube, Steel, Black, Chevy, Car, 396, 402, 427, 454, Pair

Part Number: PTE-H8026-B

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Header Bolt

Part Number: TRD-9943

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Exhaust System, American Thunder, Header-Back, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, A-Body

Part Number: FLO-17200

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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

Part Number: HED-69176

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Jan 30, 2026 if ordered today

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Muffler, Super 44 Series, 2.25 in. Inlet/2.25 in. Outlet, Steel, Black, Each

Part Number: FLO-942448

4.88 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Exhaust System, Street Pro, Crossmember Back, 409 Stainless Steel, Natural, X-Pipe, Rear Exit, Chevy, Impala, Kit

Part Number: PYE-SGB15S

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

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Exhaust Clamp, Band Clamp, Stainless Steel, 2.50 in. Pipe Diameter, Each

Part Number: WLK-36438

4.93 out of 5 stars ( 27 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Header Fasteners, Bolts, Hex Head, Steel, Black Oxide, Ford, GM, Mercury, Mopar, Set of 16

Part Number: MOR-38710

4.38 out of 5 stars ( 13 )

Estimated Ship Date: Today

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

Part Number: ARP-400-1104

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today