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

MagnaFlow Direct-Fit Catalytic Converters 23426

Catalytic Converter, Stainless Steel, Buick, Chevy, Oldsmobile, Pontiac, 3.1L, Each

Part Number: MPE-23426

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

Dorman AIR Injection Check Valves 306-056

Secondary Air Injection Check Valve

Part Number: RNB-306-056

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 OE Replacement Steel 2.25 Inch Muffler 2565

AP Exhaust OE Replacement Steel 2.25 Inch Muffler 2565

Muffler, OE Replacement, Steel, Aluminized, Chrysler, 2.7L, Each

Part Number: APH-2565

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 Direct-Fit Catalytic Converters for 2004-2008 GRAND PRIX, 2005-2009 LACROSSE - 4341

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: CTO-4341

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

Doug's Headers D370Y-B

Headers, Tri-Y, Steel, High Temperature Black Paint, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: DOU-D370Y-B

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Dorman Exhaust Manifolds 674-779

Exhaust Manifold, Cast Iron, Natural, Each

Part Number: RNB-674-779

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

Catco Federal/EPA Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 1345

EPA OBDII Direct Fit Converter

Part Number: CTO-1345

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

AP Exhaust Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 641445

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 12.75 in. Overall Length, Front Right, Buick, Each

Part Number: APH-641445

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 2009-2011 LUCERNE - 4916

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

Part Number: CTO-4916

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

Catco Federal/EPA Direct-Fit Catalytic Converters for 2013-2020 ENCORE, 2015-2021 TRAX - 5282

Catalytic Converter, Federal / EPA Catalytic Converter - Direct Fit

Part Number: CTO-5282

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

BRExhaust Direct-Fit Exhaust Systems 106-0009

Exhaust Systems, Direct-Fit, Cat-back, Single, Steel, Aluminized, Rear Exit, Buick, Chevrolet, Oldsmobile, Pontiac, Saturn, Kit

Part Number: BRE-106-0009

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

Catco Federal/EPA Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 5349

Catalytic Converter 10-11 6 Cyl. Buick LaCrosse, 3.6L Engine, Front Right

Part Number: CTO-5349

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

Catco Universal-Fit Catalytic Converters 2565

Catalytic Converter, Stainless Steel, Universal, 2.25 in. Inlet/Outlet, 12.5 in. Length, Each

Part Number: CTO-2565

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

Walker Exhaust Intermediate Pipes for 2003-2004 REGAL - 55305

Intermediate Pipe, Outside Diameter 2.000 in., Steel, Aluminized, Buick, Each

Part Number: WLK-55305

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

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust OE Replacement Steel 2.25 Inch Muffler 2261

1 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026

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Walker Exhaust Catalytic Converters 81302

CalCat CARB Catalytic Converter

Part Number: WLK-81302

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

Catco Direct-Fit Catalytic Converters 9171

Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Isuzu, SUV, 4.2L, Each

Part Number: CTO-9171

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

ATP Exhaust Manifolds 101274

Exhaust Manifolds, Cast Iron, Natural, Rear, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: ATP-101274

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

ATP Exhaust Manifolds 101129

Exhaust Manifolds, Cast Iron, Natural, Rear, Buick, Chevrolet, Oldsmobile, Pontiac, 3.1L, Each

Part Number: ATP-101129

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

Walker 2.5 Inch Resonator 55275

Resonator, Aluminized, Steel, Each

Part Number: WLK-55275

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

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AP Exhaust Intermediate Pipes 44882

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026

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Walker Exhaust - Catalytic Converters for 2009-2011 LUCERNE - 14828

Ultra EPA Catalytic Converter

Part Number: WLK-14828

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

MagnaFlow Universal Catalytic Converters 5451305

Catalytic Converter, Universal, 13.250 in. Length, 2.250 in. Inlet and Outlet, Each

Part Number: MPE-5451305

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 Steel 2.5 Inch Muffler 21409

Muffler, Quiet-Flow Series, 2.500 in., Inlet, 2.500 in. Outlet, Buick, Chevy, GMC, Olds, L6, Each

Part Number: WLK-21409

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust OE Replacement Steel 3 Inch Muffler 2405

2 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026

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Walker Direct-Fit SoundFX Steel 2.25 Inch Muffler 18907

Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 29.75 in. Overall Length, Buick, 3.8L, Each

Part Number: WLK-18907

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

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AP Exhaust MSL Maximum Steel 2.25 Inch Muffler 700371

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026

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Pypes Street Pro Exhaust Systems SGG913SE

Exhaust System, 3.0 in., Street Pro, Crossmember Back, 409 Stainless Steel, Natural, X-Pipe, Street Pro Mufflers, G-Body, Kit

Part Number: PYE-SGG913SE

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Pypes Header/Crossmember-Back Exhaust Systems SGG910E

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

Part Number: PYE-SGG910E

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today