1978 Exhaust - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Milodon Header Studs 81500

Milodon Header Studs 81500

Header Studs, 12-Point Nuts, Chromoly, Black Oxide, 9/16 in. Wrench, Chevy, Small Block, Set of 12

Part Number: MIL-81500

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Patriot Header Flange Kits H7853

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.875 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7853

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

URO Parts Hot Air Hoses for 1965-1989 911, 1978-1979 930 - 90121119401B

Hot Air Hose, Porsche 911 65-74 86-89, 930 78-79

Part Number: URO-011649

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

MagnaFlow Universal Catalytic Converters 91004

Catalytic Converter, Stainless Steel, Universal, 2.00 in. Inlet/Outlet, 13 in. Length, Each

Part Number: MPE-91004

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

MagnaFlow Universal Catalytic Converters 53003

Catalytic Converter, Stainless Steel, Universal, 1 3/4 in. Inlet/Outlet, 13 in. Length, Each

Part Number: MPE-53003

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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URO Parts Hot Air Hoses for 1975-1983 911 - 91121152200B

Hot Air Hose, Porsche 911 75-83

Part Number: URO-011651

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Walker Quiet-Flow 3 Steel 2.5 Inch Muffler 22171

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-22171

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

AP Exhaust Universal Catalytic Converters 602004

Catalytic Converters, Universal, 2.00 in. Slip-fit Inlet/Outlet, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each

Part Number: APH-602004

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Stage 8 Locking Header Fastener Kits 6912

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, 3.8L, Set of 12

Part Number: STG-6912

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Walker Direct-Fit SoundFX Steel 2.5 Inch Muffler 18209

Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 36.50 in. Overall Length, Ford, Each

Part Number: WLK-18209

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Walker Universal SoundFX Steel 2.5 Inch Muffler 17197

Muffler, Premium Pro-Fit, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17197

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Walker 2.25 Inch Resonator 21992

Resonator, Aluminized, Steel, Each

Part Number: WLK-21992

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Walker Direct-Fit SoundFX Steel 2.25 Inch Muffler 18235

Muffler, SoundFX, 2 1/4in. Inlet/3 in. Outlet, Steel, Aluminized, Pontiac, 6000, Each

Part Number: WLK-18235

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Walker Universal Pro-Fit Steel 2 Inch Muffler 18102

Muffler, Tru-Fit, Steel, Aluminized, 2.0 in. Inlet, 2.0 in. Outlet, 21.0 in. Length, Each

Part Number: WLK-18102

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Enforcer II Steel 2 Inch Muffler 3738

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Walker Universal SoundFX Steel 2.25 Inch Muffler 17869

Muffler, SoundFX Series, Steel, Aluminized, 2.25 in. Inlet/2.00 in. Outlet, Each

Part Number: WLK-17869

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 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: Tomorrow

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Walker Universal SoundFX Steel 2 Inch Muffler 17840

Muffler, SoundFX Series, Steel, Aluminized, 2.00 in. Inlet/2.00 in. Outlet, Each

Part Number: WLK-17840

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

URO Parts Hot Air Hoses for 1975-1983 911 - 90121119501

Hot Air Hose, Porsche 911 75-76 78-83

Part Number: URO-009780

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Hedman Street Headers 68607

Headers, Street, Mid-Length, Steel, Temporary Paint, Buick, Chevy, Oldsmobile, Small Block, Pair

Part Number: HED-68607

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Doug's Headers D304-B

Headers, Shorty, Steel, Black Painted, Chevy, Pontiac, Chevy Small Block, Pair

Part Number: DOU-D304-B

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Kral Original Exhaust Manifold Bolt Repair Kits KAP57P

Solid Steel. Precise Fitment. Hardware Included. GM (Year 1988-2003) 4.3L, 5.0L, 5.7L engines with exhaust manifold running below spark plugs

Part Number: KAP-KAP57P

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Kral Original Exhaust Manifold Bolt Repair Kits KAP57PHDR

Solid Steel. Precise Fitment. Hardware Included. GM (Year 1969-2003) 265, 305, 307, 350, 400 SBC Engines with headers

Part Number: KAP-KAP57PHDR

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Kral Original Exhaust Manifold Bolt Repair Kits KAP57PROP

Solid Steel. Precise Fitment. Hardware Included. GM (Year 1978-1991) 265, 305, 350 cu in engines with exhaust manifold running above the spark plugs

Part Number: KAP-KAP57PROP

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Pypes Header/Crossmember-Back Exhaust Systems SGG912E

Exhaust Systems, Crossmember Back w/X-Pipe, 78-88 GM G-Body SS Split Rear Dual Exit 2.5 in Intermediate Pipe

Part Number: PYE-SGG912E

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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