Availability
Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each
Part Number: APH-X503
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each
Part Number: APH-X504
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, Ceramic Honeycomb Substrate, 59.00 in. Length, Chevy, GMC, Each
Part Number: APH-645154
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, Ceramic Honeycomb Substrate, 34.00 in. Length, Chevy, GMC, Each
Part Number: APH-645184
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Catalytic Converters, Universal, 3.00 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 21.50 in. Overall Length, Each
Part Number: APH-606007
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
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
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each
Part Number: APH-2525
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Muffler, Challenge, Steel, Aluminized, Chevy, GMC, Each
Part Number: APH-2589
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Tail Pipe, Max Fit, 2.500 in., Steel, Aluminized, Chevy, GMC, Passenger Side, Each
Part Number: APH-127671
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet, 3.00 in. Slip fit Outlet, 88.00 in. Overall Length, Right, Chevrolet, GMC, Each
Part Number: APH-645783
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Tail Pipe, Max Fit, 2.500 in., Steel, Aluminized, Chevy, GMC, Driver Side, Each
Part Number: APH-127670
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Exhaust Clamps, Heavy-Duty U-Clamps, U-bolt Clamp Style, 0.500 in. Clamp Width, 3.500 in. Pipe Diameter, Steel, Natural, Each
Part Number: APH-H312
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Muffler, TruckEx, Steel, Aluminized, Chevy, GMC, Each
Part Number: APH-3894
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Tailpipes, Exhaust, Max Fit, Steel, Aluminized, 2.500 in. O.D., Passenger Side, Chevrolet, Dodge, Ford, GMC, Each
Part Number: APH-128012
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.80 in. Slip Fit Outlet, 18.75 in. Overall Length, Right, Chevrolet, GMC, 6.0L, Each
Part Number: APH-645276
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet, 3.00 in. Slip Fit Outlet, 57.00 in. Overall Length, Left, Chevrolet, GMC, Each
Part Number: APH-645455
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Catalytic Converters, Universal, 3.00 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.50 in. Overall Length, Each
Part Number: APH-608437
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 53.00 in. Overall Length, Chevrolet, GMC, Each
Part Number: APH-645809
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Catalytic Converters, Catalytic Converter - Universal, OBDII Select Plus
Part Number: APH-608737
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Catalytic Converter - Universal, OBDII By Design Enhanced
Part Number: APH-608417
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 6.6L, Diesel, Each
Part Number: APH-2548
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet, 3.00 in. Slip Fit Outlet, 25.00 in. Overall Length, Right, Chevrolet, GMC, Each
Part Number: APH-645473
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.85 in. Slip Fit Outlet, 30.50 in. Overall Length, Right, Chevrolet, GMC, Each
Part Number: APH-645454
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet, 3.00 in. Slip fit Outlet, 56.00 in. Overall Length, Left, Chevrolet, GMC, Each
Part Number: APH-645782
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Catalytic Converters, Universal, 3.00 in. Slip Fit Inlet/Outlet, Ceramic Honeycomb Substrate, 16.50 in. Overall Length, Each
Part Number: APH-604007
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
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