MagnaFlow OEM-Grade Federal/EPA-compliant universal catalytic converter (51366) with a 2.5 in inlet/outlet that fits a wide range of vehicles. Spun-body 409 stainless construction with a single laser-fusion weld for smooth flow and a leak-resistant seal; cutting and welding are required to install. Federal/EPA compliant for OBDII applications.
Specifications
| Type | Universal catalytic converter |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Inlet/Outlet | 2.5 in |
| Finish | Stainless |
| Body Type | Spun |
| Inlet Type | Pipe Connection |
| Tube Material | Stainless Steel |
| Hangers Included | No |
| Legality | Not legal for sale or installation in California, Colorado or New York. |
| Part Number | 51366 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2023 | Cadillac | Escalade | Luxury |
| 2021-2023 | Cadillac | Escalade | Premium Luxury |
| 2021-2023 | Cadillac | Escalade | Premium Luxury Platinum |
| 2021-2023 | Cadillac | Escalade | Sport |
| 2021-2023 | Cadillac | Escalade | Sport Platinum |
| 2021-2023 | Cadillac | Escalade ESV | Luxury |
| 2021-2023 | Cadillac | Escalade ESV | Premium Luxury |
| 2021-2023 | Cadillac | Escalade ESV | Premium Luxury Platinum |
| 2021-2023 | Cadillac | Escalade ESV | Sport |
| 2021-2023 | Cadillac | Escalade ESV | Sport Platinum |
| 2023 | Cadillac | Escalade ESV | V |
| 2020-2021 | Chevrolet | Silverado 1500 | Custom Trail Boss |
| 2019-2023 | Chevrolet | Silverado 1500 | High Country |
| 2020-2023 | Chevrolet | Silverado 1500 | LT Trail Boss |
| 2019-2023 | Chevrolet | Silverado 1500 | LTZ |
| 2020-2023 | Chevrolet | Silverado 1500 | RST |
| 2022-2023 | Chevrolet | Silverado 1500 | ZR2 |
| 2022 | Chevrolet | Silverado 1500 LTD | Custom Trail Boss |
| 2022 | Chevrolet | Silverado 1500 LTD | High Country |
| 2022 | Chevrolet | Silverado 1500 LTD | LT Trail Boss |
| 2022 | Chevrolet | Silverado 1500 LTD | LTZ |
| 2022 | Chevrolet | Silverado 1500 LTD | RST |
| 2021-2023 | Chevrolet | Suburban | High Country |
| 2022-2023 | Chevrolet | Suburban | Premier |
| 2022-2023 | Chevrolet | Suburban | RST |
| 2022-2023 | Chevrolet | Suburban | Z71 |
| 2021-2023 | Chevrolet | Tahoe | High Country |
| 2022-2023 | Chevrolet | Tahoe | Premier |
| 2022-2023 | Chevrolet | Tahoe | RST |
| 2022-2023 | Chevrolet | Tahoe | Z71 |
| 2009-2013 | Ford | E-250 | Base |
| 2009-2019 | Ford | E-350 Super Duty | Base |
| 2009-2014 | Ford | E-350 Super Duty | XL |
| 2009-2014 | Ford | E-350 Super Duty | XLT |
| 2021-2023 | Ford | F-150 | King Ranch |
| 2021-2024 | Ford | F-150 | Lariat |
| 2021-2023 | Ford | F-150 | Platinum |
| 2021-2024 | Ford | F-150 | SSV |
| 2010,2024 | Ford | F-150 | STX |
| 2023-2024 | Ford | F-150 | Tremor |
| 2010,2021-2024 | Ford | F-150 | XL |
| 2010,2021-2024 | Ford | F-150 | XLT |
| 2015-2019 | Ford | Transit-150 | Base |
| 2015-2019 | Ford | Transit-150 | XL |
| 2015-2019 | Ford | Transit-150 | XLT |
| 2015-2019 | Ford | Transit-250 | Base |
| 2016-2019 | Ford | Transit-250 | PTV |
| 2015-2019 | Ford | Transit-350 | Base |
| 2015-2019 | Ford | Transit-350 | XL |
| 2015-2019 | Ford | Transit-350 | XLT |
| 2015-2019 | Ford | Transit-350 HD | Base |
| 2015-2019 | Ford | Transit-350 HD | XL |
| 2015-2019 | Ford | Transit-350 HD | XLT |
| 2019-2023 | GMC | Sierra 1500 | AT4 |
| 2022-2023 | GMC | Sierra 1500 | AT4X |
| 2019-2023 | GMC | Sierra 1500 | Denali |
| 2022-2023 | GMC | Sierra 1500 | Denali Ultimate |
| 2019-2023 | GMC | Sierra 1500 | SLT |
| 2022 | GMC | Sierra 1500 Limited | AT4 |
| 2022 | GMC | Sierra 1500 Limited | Denali |
| 2022 | GMC | Sierra 1500 Limited | SLT |
| 2022-2023 | GMC | Yukon | AT4 |
| 2021-2023 | GMC | Yukon | Denali |
| 2023 | GMC | Yukon | Denali Ultimate |
| 2022-2023 | GMC | Yukon XL | AT4 |
| 2021-2023 | GMC | Yukon XL | Denali |
| 2023 | GMC | Yukon XL | Denali Ultimate |
| 2019-2024 | Ram | 1500 | Big Horn |
| 2019-2024 | Ram | 1500 | Laramie |
| 2019-2021 | Ram | 1500 | Laramie Longhorn |
| 2019-2024 | Ram | 1500 | Limited |
| 2021-2024 | Ram | 1500 | Limited Longhorn |
| 2019-2024 | Ram | 1500 | Lone Star |
| 2021 | Ram | 1500 | Longhorn |
| 2019-2024 | Ram | 1500 | Rebel |
| 2020-2021 | Ram | 1500 | Special Service |
| 2019-2020,2023-2024 | Ram | 1500 | Tradesman |
| 2015-2020 | Ram | 2500 | Big Horn |
| 2015-2020 | Ram | 2500 | Laramie |
| 2015 | Ram | 2500 | Laramie Limited |
| 2015-2020 | Ram | 2500 | Laramie Longhorn |
| 2016-2020 | Ram | 2500 | Limited |
| 2015,2019-2020 | Ram | 2500 | Lone Star |
| 2019-2020 | Ram | 2500 | Power Wagon |
| 2015-2018 | Ram | 2500 | SLT |
| 2015-2020 | Ram | 2500 | Tradesman |
| 2014-2020 | Ram | 3500 | Big Horn |
| 2014-2020 | Ram | 3500 | Laramie |
| 2014-2020 | Ram | 3500 | Laramie Longhorn |
| 2016-2020 | Ram | 3500 | Limited |
| 2014-2015,2017,2019-2020 | Ram | 3500 | Lone Star |
| 2014-2018 | Ram | 3500 | SLT |
| 2014-2020 | Ram | 3500 | Tradesman |
Which vehicles does this fit?
- It fits the Cadillac Escalade 2021-2023, Cadillac Escalade ESV 2021-2023, Chevrolet Silverado 1500 2019-2023, Chevrolet Silverado 1500 LTD 2022, Chevrolet Suburban 2021-2023, Chevrolet Tahoe 2021-2023 and 14 more models. The full year, make, model and submodel list is in the fitment table on this page.
Is it legal in my state?
- Not legal for sale or installation in California, Colorado or New York.
What is it made of?
- 409 stainless steel (spun body).
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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