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MagnaFlow 5551252 CARB converter Y-pipe for 2011 Silverado and Sierra HD 6.0L

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Long level view with the catalysts at center

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Catalyst at center with the inlets rising

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Unmounted assembly with the catalysts at left

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MagnaFlow CARB Direct-Fit Converter 2011 Silverado/Sierra HD 6.0L

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Brand: MagnaflowSKU / Part #: MAG5551252

Regular price: $4,447.00
Regular price: ~~$4,447.00~~
Sale price: $4,447.00
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MagnaFlow CARB Direct-Fit Converter 2011 Silverado/Sierra HD 6.0L

Subtotal: $4,447.00

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Overview

MagnaFlow 5551252 is a one-model-year part: it fits 2011 Chevrolet Silverado 2500 HD and 3500 HD and GMC Sierra 2500 HD and 3500 HD with the 6.0L gas engine, including Denali. It is California-legal under EO D-193-197 and comes with two Torca clamps.

Features

California grade, CARB EO D-193-197
For 2011 6.0L Silverado and Sierra 2500 HD and 3500 HD
Long Y-pipe assembly with dual catalysts
Two Torca clamps included

What is in the box

2 x Torca clamps

Specs

Part number	5551252
Type	CARB Direct-Fit Catalytic Converter
Emissions	California Grade, CARB EO D-193-197
Material	16-gauge 409 stainless steel
Shipping weight	22 lb

Installation

Replaces the factory Y-pipe converter assembly, with the two Torca clamps at the slip joints. Because coverage is 2011 only, check your model year before ordering. 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	Silverado 2500 HD (LT, LTZ, WT)	—	2011	6.0L
Chevrolet	Silverado 3500 HD (LT, LTZ, WT)	—	2011	6.0L
GMC	Sierra 2500 HD (Denali, SLT, WT)	—	2011	6.0L
GMC	Sierra 3500 HD (Denali, SLE, SLT, WT)	—	2011	6.0L

Fitment

Year	Make	Model
2011–2011	Chevrolet	Silverado 2500 HD
2011–2011	Chevrolet	Silverado 3500 HD
2011–2011	GMC	Sierra 2500 HD
2011–2011	GMC	Sierra 3500 HD

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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