MagnaFlow 51959 OEM Grade Universal Catalytic Converter 3in - Chevy Silverado / GMC Sierra 2500/3500 HD 6.6L (2020-2023)

Magnaflow SKU: MAG51959
Price
Regular price $595.00
Regular price Sale price $595.00
In Stock – Ready to Ship
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MagnaFlow OEM Grade universal catalytic converter (51959) for 2020-2023 Chevrolet Silverado and GMC Sierra 2500 HD / 3500 HD trucks with the 6.6L V8. Built to OEM Grade standards with a 3in inlet and 3in outlet, a 9in overall length and a 5in round spun stainless body, it uses a ceramic substrate and 16-gauge 409 stainless steel tubing for corrosion resistance and long service life. Federal/EPA compliant for OBDII vehicles with Federal emissions systems; not legal for sale or installation in California, Colorado or New York. Universal design with pipe (weld-on) connections requires cutting and welding to install.

Specifications

Type Universal catalytic converter (OEM Grade)
Compliance Federal/EPA compliant (not CARB; not legal in CA, CO or NY)
Material 16-gauge 409 stainless steel, ceramic substrate
Body Round spun, 5in diameter
Inlet / Outlet 3in / 3in, pipe (weld-on) connection
Overall Length 9in
Sensor Ports None (no O2 sensor bungs)
Part Number 51959

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 ET 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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