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MagnaFlow CARB Direct-Fit Catalytic Converter 4551211 for the 2003-2005 Chevrolet Express 1500 / 2500

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MagnaFlow 4551211 carb direct-fit catalytic converter, front three-quarter view of the turntable spin

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MagnaFlow 4551211 shown out of the box, photo 8

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MagnaFlow 4551211 carb direct-fit catalytic converter, rear view of the turntable spin

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MagnaFlow 4551211 carb direct-fit catalytic converter, rear three-quarter view of the turntable spin

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MagnaFlow 4551211 shown out of the box, photo 14

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MagnaFlow 4551211 carb direct-fit catalytic converter, opposite front three-quarter view of the turntable spin

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MagnaFlow 4551211 carb direct-fit catalytic converter, opposite side view of the turntable spin

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MagnaFlow 4551211 carb direct-fit catalytic converter, opposite rear three-quarter view of the turntable spin

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MagnaFlow 4551211 carb direct-fit catalytic converter, side view of the turntable spin

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MagnaFlow CARB Converter 2003-2005 Chevrolet Express 1500 / 2500

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Brand: MagnaflowSKU / Part #: MAG4551211

Regular price: $2,672.00
Regular price: ~~$2,672.00~~
Sale price: $2,672.00
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Subtotal: $2,672.00

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MagnaFlow CARB Converter 2003-2005 Chevrolet Express 1500 / 2500

Subtotal: $2,672.00

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Overview

Replacing a failed converter on a 2003-2005 Chevrolet Express 1500 / 2500 4.3L/5.3L in California or another CARB state means the part has to carry an Executive Order. MagnaFlow 4551211 is covered by EO D-193-184 and installs at the factory mounting points. Coverage spans 3 model years: 2003-2005 Chevrolet Express 1500 (Base, LS), 2003-2005 Chevrolet Express 2500 (Base, LS), 2003-2005 GMC Savana 1500 (Base, SLE) and 2003-2005 GMC Savana 2500 (Base). Shipping weight is about 30 lb.

Features

CARB EO D-193-184 for 4.3L/5.3L engine families listed on the order
Fits 2003-2005 Chevrolet Express 1500: Base, LS
Fits 2003-2005 Chevrolet Express 2500: Base, LS
Fits 2003-2005 GMC Savana 1500: Base, SLE
1 further model listed in the fitment table

What is in the box

Gaskets and mounting hardware for installation

Specs

Part number	4551211
Type	CARB Direct-Fit Catalytic Converter
Emissions	California Grade, CARB EO D-193-184
Material	16-gauge 409 stainless steel
Shipping weight	30 lb

Construction

California Grade converter covered by CARB Executive Order D-193-184
Installs at the factory mounting points without cutting or welding
Body and pipes in 16-gauge 409 stainless steel
Spun body closed with a single laser-fusion weld to resist leaks
Mandrel-bent inlet and outlet pipes keep factory flow
OE-sized 410 stainless hangers
308 stainless MIG welds
Shape developed from 3D scans of the original part

Installation

Direct-fit and bolt-on; a capable DIYer can install it with the right tools, though professional installation is recommended.

Fitment notes

Legal in all 50 states when the vehicle's engine family appears on this converter's Executive Order. Confirm your engine family before ordering. Check the fitment table below against your vehicle, including trim and engine.

Fitment

Make	Model	Chassis	Year	Engine
Chevrolet	Express 1500 (Base, LS)	—	2003-2005	4.3L/5.3L
Chevrolet	Express 2500 (Base, LS)	—	2003-2005	4.3L/5.3L
GMC	Savana 1500 (Base, SLE)	—	2003-2005	4.3L/5.3L
GMC	Savana 2500 (Base)	—	2003-2005	4.3L/5.3L

Fitment

Year	Make	Model
2003–2005	Chevrolet	Express 1500
2003–2005	Chevrolet	Express 2500
2003–2005	GMC	Savana 1500
2003–2005	GMC	Savana 2500

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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