Availability
BUICK REGAL Exhaust
Headers, Tri-Y, Steel, High Temperature Black Paint, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: DOU-D370Y-B
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Chevy, Pontiac, 3.8L, Each
Part Number: MPE-4561396
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
AIR Check Valve, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: RNB-911-004
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Catalytic Converter, 12-15 4 Cyl. Buick Verano, 2.4L Engine, Front 10-16 4 Cyl. Buick LaCrosse, 2.4L Engine, Front
Part Number: APH-644092
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Catalytic Converters, Direct-Fit, Three Stock Flange Inlets, One Stock Flange Outlet, 22.00 in. Overall Length, Front, Buick, Saab, 2.0L, Each
Part Number: APH-641570
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Chevy, Oldsmobile, Pontiac, 37.375 in. Length, 3.8L, Each
Part Number: CTO-4876
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-5403
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 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 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Catalytic Converter, Federal / EPA Catalytic Converter - Direct Fit
Part Number: CTO-5308
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Exhaust Manifold Hardware Kit
Part Number: RNB-32110
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Catalytic Converter, Pre-Converter - Not CARB Compliant
Part Number: RNB-679-531
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Exhaust Manifold, Rear, Cast Iron, Natural, Buick, Chevy, Oldsmobile, Pontiac, 3.1L, Each
Part Number: RNB-674-269
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
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: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
MANIFOLD HEAT SHIELD
Part Number: NAL-12646199
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 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 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 17.500 in. Overall Length, Each
Part Number: WLK-84513
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 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 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 17.500 in. Overall Length, Each
Part Number: WLK-82618
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Muffler, SoundFX, 2 1/4 in. Inlet/2 in. Outlet, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: WLK-18345
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, 18 in. Length, Each
Part Number: WLK-15142
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Ultra EPA Manifold Converter
Part Number: WLK-14619
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
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: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Resonator, Natural, Steel, Each
Part Number: WLK-21340
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 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 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
CalCat CARB Catalytic Converter
Part Number: WLK-81302
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster