CHEVROLET 7.4L/454 Exhaust - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Patriot Header Flange Kits H7899

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.000 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7899

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Walker Direct-Fit SoundFX Steel 2.25 Inch Muffler 18230

Muffler, SoundFX Series, Steel, Aluminized, 2.25 in. Inlet/2.25 in. Outlet, Each

Part Number: WLK-18230

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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ARP Stainless Steel Header Bolts 400-1204

ARP Stainless Steel Header Bolts 400-1204

Header Bolts, 12-Point, 3/8 in. Wrench, Drilled, Stainless Steel, Polished, 0.875 in. U.H.L., Set of 16

Part Number: ARP-400-1204

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Moroso Starter Heat Shields 74300

Starter Heat Shield, Chevy, Small/Big Block with Delco Starters, Each

Part Number: MOR-74300

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Kooks Headers Header Flanges 7041-250-S

Flange Big Block Chevrolet

Part Number: KOK-7041-250-S

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Walker Direct-Fit SoundFX Steel 2.5 Inch Muffler 18906

Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 29.00 in. Overall Length, Chevrolet, GMC, Each

Part Number: WLK-18906

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Walker Universal Tru-Fit Steel 2.5 Inch Muffler 18177

Muffler, Tru-Fit Series, Steel, Aluminized, 2.50 in. Inlet/2.00 in. Outlet, Each

Part Number: WLK-18177

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Stage 8 Locking Header Fastener Kits 8932

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

Part Number: STG-8932

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Kooks Headers Header Flanges 7040-S

Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.125 in. Port, Each

Part Number: KOK-7040S

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Walker Direct-Fit SoundFX Steel 2.5 Inch Muffler 18406

Muffler, SoundFX, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-18406

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Walker Universal Tru-Fit Steel 2.25 Inch Muffler 18113

Muffler, Tru-Fit, Steel, Aluminized, 2.25 in. Inlet, 2.25 in. Outlet, 26.0 in. Length, Each

Part Number: WLK-18113

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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AP Exhaust OE Replacement Steel 3 Inch Muffler 3423

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 5.7, 6.2, 6.5, 7.4L, Each

Part Number: APH-3423

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Walker Quiet-Flow 3 Steel 3 Inch Muffler 21054

4.25 out of 5 stars ( 40 )

Estimated Ship Date: Tomorrow

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AP Exhaust MSL Maximum Steel 2.5 Inch Muffler 700104

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700104

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Walker Universal Tru-Fit Steel 2.5 Inch Muffler 18132

Muffler, Tru-Fit Series, Steel, Aluminized, 2.50 in. Inlet/2.25 in. Outlet, Each

Part Number: WLK-18132

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Walker 2.25 Inch Resonator 21687

Resonator, Round, Steel, Aluminized, 2.25 in. Center Inlet, 2.50 in. Center Outlet, Buick, Chevy, Pontiac

Part Number: WLK-21687

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

AP Exhaust MSL Maximum Steel 2.5 Inch Muffler 6505

Muffler, MSL, Steel, Aluminized, Chevy, GMC, 250, 454, Each

Part Number: APH-6505

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

AP Exhaust OE Replacement Steel 2.5 Inch Muffler 2452

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-2452

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Walker Quiet-Flow 3 Steel 2.5 Inch Muffler 21400

4.25 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Kral Original Exhaust Manifold Bolt Repair Kits KAP7481PF

Solid Steel. Precise Fitment. Hardware Included. GM Big Block Chevy (any year), 366, 396, 402, 427, 454 cu in, 7.4L & GM 8.1L & 8.8L Engines

Part Number: KAP-KAP7481PF

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

AP Exhaust TruckEx Steel 2.5 Inch Muffler 3906

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 7.4L, Each

Part Number: APH-3906

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Walker Replacement Steel 2.5 Inch Muffler 21151

5 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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