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MagnaFlow OEM Grade Direct-Fit Catalytic Converter 51579 for the 2009-2017 GMC Acadia / Limited

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MagnaFlow 51579 oem grade direct-fit catalytic converter, rear three-quarter view of the turntable spin

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MagnaFlow 51579 main product photo, alternate angle 6

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MagnaFlow 51579 shown out of the box, photo 10

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MagnaFlow 51579 oem grade direct-fit catalytic converter, side view of the turntable spin

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MagnaFlow OEM Grade Converter 2009-2017 GMC Acadia / Limited 3.6L

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Brand: MagnaflowSKU / Part #: MAG51579

Regular price: $330.00
Regular price: ~~$330.00~~
Sale price: $330.00
Unit price: per

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Subtotal: $330.00

Quantity:

MagnaFlow OEM Grade Converter 2009-2017 GMC Acadia / Limited 3.6L

Subtotal: $330.00

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Overview

A 2009-2017 GMC Acadia / Limited 3.6L with a tired catalyst needs a replacement that keeps the readiness monitors happy. MagnaFlow's OEM Grade 51579 is built for exactly that job and bolts in without cutting or welding. Coverage spans 9 model years: 2009-2016 GMC Acadia (Denali, SL, SLE, SLT), 2017 GMC Acadia Limited (Base), 2009-2017 Buick Enclave (Base, Convenience, CX, CXL, Leather and more) and 2009-2017 Chevrolet Traverse (LS, LT, Premier), plus 1 more model in the table below. It ships at roughly 10 lb.

Features

OEM Grade loading sized for the 3.6L OBD-II catalyst monitor
Fits 2009-2016 GMC Acadia: Denali, SL, SLE, SLT
Fits 2017 GMC Acadia Limited: Base
Fits 2009-2017 Buick Enclave: Base, Convenience, CX, CXL, Leather, Premium
2 further models listed in the fitment table

What is in the box

Gaskets and mounting hardware for installation

Specs

Part number	51579
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	10 lb

Construction

OEM Grade catalyst loading for engines with sensitive OBD-II efficiency monitoring
Installs at the factory mounting points without cutting or welding
Corrosion-resistant 16-gauge 409 stainless construction
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
GMC	Acadia (Denali, SL, SLE, SLT)	—	2009-2016	3.6L
GMC	Acadia Limited (Base)	—	2017	3.6L
Buick	Enclave (Base, Convenience, CX, CXL, Leather, Premium)	—	2009-2017	3.6L
Chevrolet	Traverse (LS, LT, Premier)	—	2009-2017	3.6L
Saturn	Outlook (XE, XR)	—	2009-2010	3.6L

Fitment

Year	Make	Model
2009–2016	GMC	Acadia
2017–2017	GMC	Acadia Limited
2009–2017	Buick	Enclave
2009–2017	Chevrolet	Traverse
2009–2010	Saturn	Outlook

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.

Reviews & questions