1985 GMC Exhaust - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Patriot Clippster Headers H8087-1

Headers, Clippster, Mid-Length, Steel, Silver Ceramic Coated, Chevy, GMC, LS Swap, Pair

Part Number: PTE-H8087-1

2.5 out of 5 stars ( 4 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

ACDelco Spark Plug Heat Shields 00465840

Spark Plug Boot Protector, Heat Shield, 500 degrees F, Slip-on, Chevy, GMC, Each

Part Number: ADO-00465840

Not Yet Reviewed

Estimated Ship Date: Today

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Patriot Clippster Headers H8051

Headers, Clippster, Mid-Length, Steel, Black Painted, Chevy, GMC, Small Block, V8, Pair

Part Number: PTE-H8051

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Hedman Street Headers 69386

Hedman Street Headers 69386

Headers, Street, Long Tube, Steel, Silver Ceramic Coated, Chevy, GMC, 454, Pair

Part Number: HED-69386

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Fel-Pro Exhaust Flange Hardware ES75102

Exhaust Flange Hardware, Studs, Nuts, Washers, Black, Steel, Kit

Part Number: FEL-ES75102

Not Yet Reviewed

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters 80906

Catalytic Converter, CalCat, Stainless Case, 2.500 in. Inlet/2.500 in Outlet, Chevy, Dodge, Ford, Toyota, Each

Part Number: WLK-80906

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Patriot Clippster Headers H8051-1

Headers, Clippster, Mid-Length, Steel, Ceramic Coated, Chevy, GMC, Small Block, V8, Pair

Part Number: PTE-H8051-1

Not Yet Reviewed

Estimated Ship Date: Today

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Dorman Exhaust Manifolds 674-162

Exhaust Manifold, Cast Iron, Natural, Chevy, GMC, 6.0L, 7.0L, Driver Side, Each

Part Number: RNB-674-162

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

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: Today

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Dorman Exhaust Manifold Mounting Hardware 03113

Exhaust Manifold Studs, Steel, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: RNB-03113

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Patriot LS Cast Tubular Manifolds H8097-1

Exhaust Manifolds, LS Cast Tubular, Cast Iron, Silver Ceramic Coated, Buick, Chevy, GMC, Oldsmobile, Pontiac, Small Block LS, Pair

Part Number: PTE-H8097-1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Cast Exhaust Manifolds SUM-G9084S

4.75 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Hedman Specialty and Engine Swap Headers 69523

Headers, Specialty and Engine Swap, Mid-Length, Steel, Black Ceramic Coated, Chevy, GMC, Pair

Part Number: HED-69523

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

Catco Universal-Fit Catalytic Converters 6905

Catalytic Converter, Stainless Steel, Universal, 2.25 in. Inlet/Outlet, 14 in. Length, Each

Part Number: CTO-6905

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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AP Exhaust Extra Heavy-Duty U-Clamps H212

Exhaust Clamp, U-Bolt, 2.50 in. Diameter, Steel, Natural, Each

Part Number: APH-H212

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Walker Exhaust Intermediate Pipes 43697

Exhaust Pipe, Intermediate Pipe, Steel, Aluminized, 2.50 in. O.D., Chevy, GMC, Each

Part Number: WLK-43697

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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MagnaFlow Diesel Converters 60105

Catalytic Converter, Diesel, Universal, 2.165 in. Inlet/Outlet, Each

Part Number: MPE-60105

Not Yet Reviewed

Estimated Ship Date: Today

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Walker Quiet-Flow 3 Steel 2.5 Inch Muffler 22512

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-22512

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

AP 2-Bolt 2.438 Inch Exhaust Flange 8786

Exhaust Flange

Part Number: APH-8786

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Walker Direct-Fit Tailpipes 45824

Tailpipe, Direct-Fit, 2.250 in. O.D., Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-45824

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Dorman Exhaust Manifolds 674-163

Exhaust Manifold, Cast Iron, Natural, Chevy, GMC, 6.0L, 7.0L, Passenger Side, Each

Part Number: RNB-674-163

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Pypes Street Pro Exhaust Systems SGT978SE

Exhaust Systems, Crossmember Back w/H-Pipe Exhaust System 75-87 GM Split Rear Dual Exit 2.5 in Intermediate

Part Number: PYE-SGT978SE

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

ATP Exhaust Manifolds 101246

Exhaust Manifolds, Cast Iron, Natural, Left, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-101246

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Walker Super Converters 15042

Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, Each

Part Number: WLK-15042

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

AP Exhaust Universal Catalytic Converters 602005

Catalytic Converters, Universal, 2.25 in. Slip-fit Inlet/Outlet, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each

Part Number: APH-602005

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

Doug's Headers D370Y

Headers, Tri-Y, Steel, Silver Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: DOU-D370Y

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today