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MagnaFlow OEM Grade Direct-Fit Catalytic Converter - Chevrolet Silverado HD / GMC Sierra HD 2020-2023 6.6L

Magnaflow SKU: MAG280745
Price
13% OFF
In Stock – Ready to Ship
Make sure this fits your vehicle Select your vehicle to confirm fitment before you order. Check
Shipping calculated at checkout.

MagnaFlow OEM Grade direct-fit catalytic converter, Federal/EPA compliant for OBDII federally registered vehicles, for the 6.6L V8. The 64in underbody assembly has flanged inlet and outlet connections, four oxygen sensor ports and a ceramic substrate. Mandrel bent 16 gauge 409 stainless steel tubing, 410 stainless barbed exhaust hangers and 308 stainless MIG welds retain an OEM-like design for factory flow, fuel economy and fit, and it installs with no cutting or welding. Includes a donut gasket, crush ring and two clamps. Not legal for sale or use on California, Colorado or New York registered vehicles.

Specifications

Type Direct-fit catalytic converter (MagnaFlow OEM Grade)
Emissions Compliance Federal/EPA; not for CA, CO or NY registered vehicles
Engine 6.6L V8
Overall Length 64in
Connections Flanged inlet and outlet
O2 Sensor Ports 4
Substrate Ceramic
Material 16 gauge 409 stainless steel tubing
Includes Donut gasket, crush ring, 2 clamps
Quantity 1
Part Number 280745

This part fits:

Year Make Model Submodel
2020-2023 Chevrolet Silverado 2500 HD Custom
2020-2023 Chevrolet Silverado 2500 HD High Country
2020-2023 Chevrolet Silverado 2500 HD LT
2020-2023 Chevrolet Silverado 2500 HD LTZ
2020-2023 Chevrolet Silverado 2500 HD WT
2020-2023 Chevrolet Silverado 3500 HD High Country
2020-2023 Chevrolet Silverado 3500 HD LT
2020-2023 Chevrolet Silverado 3500 HD LTZ
2020-2023 Chevrolet Silverado 3500 HD WT
2020-2023 GMC Sierra 2500 HD AT4
2020-2021 GMC Sierra 2500 HD Base
2020-2023 GMC Sierra 2500 HD Denali
2022-2023 GMC Sierra 2500 HD Pro
2020-2023 GMC Sierra 2500 HD SLE
2020-2023 GMC Sierra 2500 HD SLT
2020-2023 GMC Sierra 3500 HD AT4
2020-2021 GMC Sierra 3500 HD Base
2020-2023 GMC Sierra 3500 HD Denali
2022-2023 GMC Sierra 3500 HD Pro
2020-2023 GMC Sierra 3500 HD SLE
2020-2023 GMC Sierra 3500 HD SLT

Shipping

  • Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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