AP Exhaust 645774 Federal / EPA Catalytic Converter - Direct Fit

Handling dual exhaust flows from large displacement engines, the AP Exhaust 645774 is a 56.75-inch federal direct-fit catalytic converter with two separate outlets featuring both a 3.00-inch OD pipe and a welded flange connection. Fits the 2003-2009 Chevrolet C4500 and C5500 Kodiak and GMC C4500 and C5500 Topkick with the 8.1L V8. This EPA-compliant unit combines 409 stainless steel construction with a ceramic substrate and dual inlet connections with three-bolt loose flanges for direct fitment to the manifold. The converter includes outlet hardware and gasket for installation connection, while no hardware or gasket is required at either inlet. Backed by a 25,000-mile emissions and 50,000-mile structural warranty, this part is manufactured in the United States and shipped without packaging.

• Inlet Quantity: 2
• Outlet Quantity: 2
• Material: Stainless Steel
• Substrate Material: Ceramic
• Overall Length: 56.750 IN
• Converter Type: Federal / EPA Direct-Fit
• Inlet Type A: 3 Bolt Loose Flange w/ Flare
• Inlet Type B: 3 Bolt Loose Flange w/ Flare
• Outlet Type A: 2 Bolt Welded Flange
• Outlet Type B: 3.00" OD Pipe
• Outlet Gasket: Yes
• Outlet Hardware: Yes
• CARB Certified: No
• Boxed: No
• Inlet A Connection Type: Flare with Loose Flange