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

AP Exhaust Extra Heavy-Duty U-Clamps H300

Exhaust Clamps, Extra Heavy-Duty U-Clamps, U-bolt Clamp Style, 0.500 in. Clamp Width, 3.000 in. Pipe Diameter, Steel, Natural, Chevrolet, GMC, Each

Part Number: APH-H300

Not Yet Reviewed

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Doug's Headers D3357-B

Headers, Mid-length, Steel, High Temperature Black Paint, Round Port, Buick, Chevrolet, Oldsmobile, Pontiac, Small Block LS, Pair

Part Number: DOU-D3357-B

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Walker Universal Tru-Fit Steel 2.5 Inch Muffler 18112

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

Part Number: WLK-18112

5.0 out of 5 stars ( 2 )

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Stage 8 Locking Header Fastener Kits 6910

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, GM, Jeep, 2.8L, Set of 12

Part Number: STG-6910

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Apr 2, 2026 if ordered today

AP Exhaust Replacement Exhaust Insulators 8287

Exhaust Hangers, Insulator Style, Rubber, Black, Chrysler, Each

Part Number: APH-8287

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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 )

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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: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Summit Racing™ Cast Exhaust Manifolds SUM-G9084S

4.75 out of 5 stars ( 9 )

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ARP Chromoly Header Stud Kits 120-1412

ARP Chromoly Header Stud Kits 120-1412

Header Studs, Hex Nuts, Custom 450, Black Oxide, Buick 3.8L, Set of 12

Part Number: ARP-120-1412

Not Yet Reviewed

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MagnaFlow Universal Catalytic Converters 94004

Catalytic Converter, Stainless Steel, Universal, 2 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94004

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Dorman Exhaust Manifold Mounting Hardware 03142

Exhaust Flange Studs, Steel, Black Oxide, M10-1.5 x 62mm, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: RNB-03142

Not Yet Reviewed

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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 )

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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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AP Exhaust OE Replacement Steel 3 Inch Muffler 2506

Muffler, OE Replacement, Steel, Aluminized, Ford, 6.0L, Diesel, Each

Part Number: APH-2506

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

Catco Federal/EPA Direct-Fit Catalytic Converters for 2014-2020 IMPALA, 2012-2016 LACROSSE - 5073

Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Buick, Chevy, Each

Part Number: CTO-5073

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

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AP Exhaust Direct-Fit Catalytic Converters for 2014-2020 IMPALA, 2014-2016 IMPALA LIMITED, 2012-2016 LACROSSE - 643138

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MagnaFlow Universal Catalytic Converters 418006

Catalytic Converter, Stainless Steel, 2.50 in. Inlet, 2.50 in. Outlet, 15.0 in. Length, Universal, Each

Part Number: MPE-418006

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

Walker Quiet-Flow SS 409 Stainless Steel 2.5 Inch Muffler 21683

Muffler - Quiet-FlowSS - Domestic - TK

Part Number: WLK-21683

Not Yet Reviewed

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Walker Universal Tru-Fit Steel 2 Inch Muffler 18101

Muffler, Tru-Fit, Steel, Aluminized, 2.0 in. Inlet, 2.0 in. Outlet, 25.0 in. Length, Each

Part Number: WLK-18101

Not Yet Reviewed

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Dorman Control Duct Pre-Heater Hoses 96024

Carburetor Pre-Heater Hose, Flex Tube, 2.00 in. Diameter, 18 in. Length, Each

Part Number: RNB-96024

5.0 out of 5 stars ( 2 )

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Walker Exhaust Catalytic Converters 81327

CalCat CARB Catalytic Converter

Part Number: WLK-81327

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

AP Exhaust Universal Catalytic Converters 608266

Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each

Part Number: APH-608266

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

MagnaFlow Universal Catalytic Converters 91006

Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 13 in. Length, Each

Part Number: MPE-91006

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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 )

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Walker CalCat Universal Catalytic Converters 84206

Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 12.000 in. Overall Length, Each

Part Number: WLK-84206

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Dorman Direct-Fit Catalytic Converters for 2014-2020 IMPALA, 2012-2016 LACROSSE, 2013-2019 XTS - 674-048

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-048

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

AP Round, Chrome 2 Inch Exhaust Tip 9850

Exhaust Tips, AP Exhaust Tips, Clamp-On/Weld-On, 2.00 in. Inlet Diameter, 3.44 in. Out Diameter, 304 Stainless Steel, Chrome, Each

Part Number: APH-9850

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