Details
BrandMagnaflow
SKUMAG4451419
GTIN / UPC888563104157
Manufacturer Part Number4451419
Product Information
MagnaFlow California CARB-compliant direct-fit catalytic converter (4451419) for the 1999-2003 Chevrolet Silverado 1500 4.8L and GMC Sierra 1500 (also fits Tahoe, Suburban, Yukon, Express and more, see chart). Spun-body 16-gauge 409 stainless construction with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding and includes gaskets and hardware. CARB compliant and legal for use in California and CARB states.
Specifications
| Type | Direct-fit catalytic converter |
| Grade | California Grade (CARB) |
| Material | 16-gauge 409 stainless steel (spun body) |
| Hardware | Gaskets & hardware included |
| Emissions | CARB compliant (CA legal) |
| Finish | Stainless |
| Body Type | Spun |
| Inlet Type | Flange |
| Clamps Included | Yes |
| Hangers Included | No |
| Legality | Legal for sale in all 50 states including California, Colorado, New York and Maine. Installation is permitted only if the vehicle's Executive Order number and Engine Family Number appear in this converter's CARB Executive Order. |
| Part Number | 4451419 |
Documents: Technical Bulletin (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005 | Chevrolet | Express 1500 | Base |
| 2005 | Chevrolet | Express 1500 | LS |
| 1999-2001, 2003 | Chevrolet | Silverado 1500 | Base |
| 1999-2001, 2003 | Chevrolet | Silverado 1500 | LS |
| 1999-2001, 2003 | Chevrolet | Silverado 1500 | LT |
| 2003 | Chevrolet | Silverado 1500 | WT |
| 1999-2000 | Chevrolet | Silverado 2500 | Base |
| 1999-2000 | Chevrolet | Silverado 2500 | LS |
| 1999-2000 | Chevrolet | Silverado 2500 | LT |
| 2000-2001 | Chevrolet | Suburban 1500 | Base |
| 2000-2001 | Chevrolet | Suburban 1500 | LS |
| 2000-2001 | Chevrolet | Suburban 1500 | LT |
| 2000-2001 | Chevrolet | Tahoe | Base |
| 2000-2001, 2003 | Chevrolet | Tahoe | LS |
| 2000-2001, 2003 | Chevrolet | Tahoe | LT |
| 2003 | Chevrolet | Tahoe | Z71 |
| 2003 | GMC | Sierra 1500 | Base |
| 1999-2001, 2003 | GMC | Sierra 1500 | SL |
| 1999-2001, 2003 | GMC | Sierra 1500 | SLE |
| 1999-2001, 2003 | GMC | Sierra 1500 | SLT |
| 2003 | GMC | Sierra 1500 | WT |
| 2000 | GMC | Sierra 2500 | SL |
| 2000 | GMC | Sierra 2500 | SLE |
| 2000 | GMC | Sierra 2500 | SLT |
| 2000-2001, 2003 | GMC | Yukon | SLE |
| 2000-2001, 2003 | GMC | Yukon | SLT |
| 2000-2001 | GMC | Yukon XL 1500 | SLE |
| 2000-2001 | GMC | Yukon XL 1500 | SLT |
Which vehicles does this fit?
- It fits the Chevrolet Express 1500 2005, Chevrolet Silverado 1500 1999-2003, Chevrolet Silverado 2500 1999-2000, Chevrolet Suburban 1500 2000-2001, Chevrolet Tahoe 2000-2003, GMC Sierra 1500 1999-2003 and 3 more models. The full year, make, model and submodel list is in the fitment table on this page.
Is it legal in my state?
- Legal for sale in all 50 states including California, Colorado, New York and Maine. Installation is permitted only if the vehicle's Executive Order number and Engine Family Number appear in this converter's CARB Executive Order.
What is it made of?
- 16-gauge 409 stainless steel (spun body).
Shipping
- In stock orders typically 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
You may also like
Recently viewed






