BUICK REGAL Exhaust | Summit Racing

MagnaFlow Direct-Fit Catalytic Converters 23405

Catalytic Converter, Stainless Steel, Direct Fit, Buick, Chevy, Oldsmobile, Pontiac, 3.8L, Each

Part Number: MPE-23405

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 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: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

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AP Exhaust OE Replacement Steel 2.25 Inch Muffler 2261

1 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026

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Walker CalCat Universal Catalytic Converters 84302

Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Universal, Each

Part Number: WLK-84302

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Walker Exhaust Intermediate Pipes for 1997-2002 REGAL - 55154

Exhaust Pipe, Intermediate Pipe, Steel, Aluminized, 2 in. O.D., Buick, Each

Part Number: WLK-55154

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

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AP Exhaust Intermediate Pipes 58381

Not Yet Reviewed

Estimated Ship Date: May 4, 2026

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AP Exhaust Universal Catalytic Converters 608215

AP Exhaust Universal Catalytic Converters 608215

Catalytic Converters, Universal, Single 2.25 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 16.00 in. Overall Length, Each

Part Number: APH-608215

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters 644102

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 41.00 in. Overall Length, Rear, Buick, Chevrolet, Each

Part Number: APH-644102

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Catco Federal/EPA Direct-Fit Catalytic Converters 5308

Catalytic Converter, Federal / EPA Catalytic Converter - Direct Fit

Part Number: CTO-5308

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2011 REGAL - 51707

Catalytic Converter, Stainless Steel, Buick, 2.0L, Rear, Each

Part Number: MPE-51707

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Catco Federal/EPA Direct-Fit Catalytic Converters for 2011 9-5, 2011-2013 REGAL - 1474

Catalytic Converter, EPA OBDII direct fit catalytic converter

Part Number: CTO-1474

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

MagnaFlow Universal Catalytic Converters 5411305

Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 2.25 in. Slip Fit Inlet/Outlet, 11.125 in. Length, Each

Part Number: MPE-5411305

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2011-2013 REGAL - 51703

Catalytic Converter, Stainless Steel, Buick, 2.0L, Front, Each

Part Number: MPE-51703

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 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: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

AP Exhaust OE Replacement Steel 2 Inch Muffler 3006

Muffler, OE Replacement, Steel, Aluminized, Buick, Chevy, GMC, Oldsmobile, Pontiac, V6, V8, Each

Part Number: APH-3006

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Walker Exhaust Catalytic Converters 81302

CalCat CARB Catalytic Converter

Part Number: WLK-81302

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 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 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 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 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters 642353

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 21.00 in. Overall Length, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: APH-642353

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

BRExhaust Direct-Fit Exhaust Systems for 1997-2004 REGAL - 106-0418

Exhaust Systems, Direct-Fit, Cat-back, Single, Steel, Aluminized, Rear Exit, Buick, Kit

Part Number: BRE-106-0418

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

MagnaFlow Universal Catalytic Converters 94026

Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 16 in. Length, Each

Part Number: MPE-94026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters 642583

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 37.38 in. Overall Length, Buick, Chevy, Olds, Pontiac, Each

Part Number: APH-642583

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Walker Universal Tru-Fit Steel 2.25 Inch Muffler 18107

Muffler, Tru-Fit Series, Steel, Aluminized, 2.25 in. Inlet/2.00 in. Outlet, Each

Part Number: WLK-18107

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

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AP Exhaust MSL Maximum Steel 2.25 Inch Muffler 6590

Not Yet Reviewed

Estimated Ship Date: May 4, 2026

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Walker Quiet-Flow Steel 2 Inch Muffler 21834

Muffler, Quiet-Flow, Unique, Steel, Aluminized, Chevy, 2.4, 2.5L, Each

Part Number: WLK-21834

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Walker Direct-Fit SoundFX Steel 2.25 Inch Muffler 18345

Muffler, SoundFX, 2 1/4 in. Inlet/2 in. Outlet, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: WLK-18345

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust MSL Maximum Steel 2.25 Inch Muffler 700057

Not Yet Reviewed

Estimated Ship Date: May 4, 2026

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Holstein Exhaust Manifold Pressure Sensors 2MAP0259

MANIFOLD PRESSURE SENSOR

Part Number: HLN-2MAP0259

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today