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MagnaFlow OEM Grade Direct-Fit Catalytic Converter 21-554 for the 2013-2016 BMW 328i GT xDrive / xDrive

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MagnaFlow 21-554 shown out of the box, photo 5

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MagnaFlow 21-554 shown out of the box, photo 8

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MagnaFlow 21-554 oem grade direct-fit catalytic converter, rear three-quarter view of the turntable spin

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MagnaFlow 21-554 oem grade direct-fit catalytic converter, opposite front three-quarter view of the turntable spin

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MagnaFlow 21-554 oem grade direct-fit catalytic converter, opposite side view of the turntable spin

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MagnaFlow 21-554 oem grade direct-fit catalytic converter, opposite rear three-quarter view of the turntable spin

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MagnaFlow 21-554 oem grade direct-fit catalytic converter, rear view of the turntable spin

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MagnaFlow 21-554 oem grade direct-fit catalytic converter, side view of the turntable spin

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MagnaFlow 21-554 shown out of the box, photo 37

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MagnaFlow OEM Grade Converter 2013-2016 BMW 328i / 428i xDrive 21-554

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Brand: MagnaflowSKU / Part #: MAG21-554

Regular price: $604.00
Regular price: ~~$604.00~~
Sale price: $604.00
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Subtotal: $604.00

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MagnaFlow OEM Grade Converter 2013-2016 BMW 328i / 428i xDrive 21-554

Subtotal: $604.00

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Overview

Late-model engines watch catalyst efficiency closely, so a 2013-2016 BMW 328i GT xDrive / xDrive 2.0L needs a converter loaded to factory levels. MagnaFlow's OEM Grade 21-554 is built for exactly that job and bolts in without cutting or welding. Coverage spans 4 model years: 2015-2016 BMW 328i GT xDrive (Base), 2013-2016 BMW 328i xDrive (Base), 2014-2016 BMW 428i xDrive (Base) and 2015-2016 BMW 428i xDrive Gran Coupe (Base). This is the underbody converter position, so match it to the unit you are replacing. Shipping weight is about 20 lb.

Features

OEM Grade loading sized for the 2.0L OBD-II catalyst monitor
Underbody position
Fits 2015-2016 BMW 328i GT xDrive: Base
Fits 2013-2016 BMW 328i xDrive: Base
Fits 2014-2016 BMW 428i xDrive: Base
1 further model listed in the fitment table

What is in the box

Gaskets and mounting hardware for installation

Specs

Part number	21-554
Type	OEM Grade Direct-Fit Catalytic Converter
Emissions	Federal/EPA compliant (not for CARB states)
Grade	OEM Grade
Material	16-gauge 409 stainless steel
Shipping weight	20 lb

Construction

OEM Grade catalyst loading for engines with sensitive OBD-II efficiency monitoring
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

Sold for federal (EPA) emissions use only; it cannot be sold or installed in California, Colorado or New York. Check the fitment table below against your vehicle, including trim and engine.

Fitment

Make	Model	Chassis	Year	Engine
BMW	328i GT xDrive (Base)	—	2015-2016	2.0L
BMW	328i xDrive (Base)	—	2013-2016	2.0L
BMW	428i xDrive (Base)	—	2014-2016	2.0L
BMW	428i xDrive Gran Coupe (Base)	—	2015-2016	2.0L

Fitment

Year	Make	Model
2015–2016	BMW	328i GT xDrive
2013–2016	BMW	328i xDrive
2014–2016	BMW	428i xDrive
2015–2016	BMW	428i xDrive Gran Coupe

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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