Availability
BUICK REGAL Exhaust
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: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Catalytic Converter, Direct Fit, Stainless Steel, 16.00 in. Length, Buick, Chevy, Each
Part Number: CTO-1504
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Catalytic Converter, Federal / EPA Catalytic Converter - Direct Fit
Part Number: CTO-5308
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Resonator, Natural, Steel, Each
Part Number: WLK-21340
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Muffler, Quiet-Flow 3, 2 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Buick, Each
Part Number: WLK-21341
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Exhaust Pipe, Intermediate Pipe, Steel, Aluminized, 2 in. O.D., Buick, Each
Part Number: WLK-55154
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 28.00 in. Overall Length, Buick, Each
Part Number: WLK-18820
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Resonator, Steel, Aluminized, Buick, Each
Part Number: WLK-21222
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
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: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Catalytic Converters, Universal, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 12.000 in. Overall Length, Each
Part Number: WLK-84406
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Headers, Specialty and Engine Swap, Mid-Length, Steel, Black Ceramic Coated, GM, A/G Body, Pair
Part Number: HED-68023
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Headers, Street, Mid-Length, Steel, Black Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Small Block, Pair
Part Number: HED-68623
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Headers, Street, Long Tube, Steel, Silver Ceramic Coated, Buick, Oldsmobile, Pontiac, 5.0, 5.7L, Pair
Part Number: HED-66317
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each
Part Number: APH-608736
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold Hardware Kit
Part Number: RNB-32110
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
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