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MagnaFlow 99109HM HM Grade Universal Catalytic Converter 3.00 Inch

(GMC Sierra 2500 HD 2004, Acadia 2009-15, Sierra 2500 HD Classic 2007, Sierra 3500 Classic 2007; Chevrolet Traverse 2009-15, Silverado 2500 2004 + 10 more models)

Part of: Magnaflow HM Grade Universal Catalytic Converter

Other options in this family: Magnaflow 99656HM Magnaflow 99176HM Magnaflow 99104HM Magnaflow 99324HM Magnaflow 99509HM

Manufacturer

Picture for manufacturer Magnaflow

Part Number

99109HM
14 reviews
Sale Price

$170.00

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The MagnaFlow 99109HM HM Grade Universal Catalytic Converter is a Federal EPA-compliant emissions solution designed to keep your check engine light off while meeting strict OBDII emissions standards. This 3-inch inlet/outlet converter features an advanced HM (Heavy Metal) Grade design with extra catalyst material for superior emissions conversion performance.

Key Features:

  • HM Grade construction with enhanced catalyst loading for improved emissions control
  • 100% stainless steel body with oval clam-shell design for maximum durability and corrosion resistance
  • 3-inch inlet and outlet diameter for versatile application compatibility
  • Compact dimensions: 9-inch body length, 3.75-inch body height, 5.5-inch body width, 13-inch overall length
  • Ribbed heat shield provides thermal protection and structural stability
  • CNC-formed and laser-welded construction ensures leak-proof performance
  • Federal EPA certified for OBDII vehicles (not legal for sale in California, Colorado, New York, or Maine)
  • 400-cell ceramic substrate designed to OEM specifications

This universal converter requires professional installation with cutting and welding to achieve proper fit and orientation. MagnaFlow's American-engineered design combines precision manufacturing with premium materials to deliver reliable emissions control and long-lasting performance. Backed by ISO-9001 certification and a limited lifetime warranty against manufacturing defects.

Note: Gaskets and hardware not included. Professional installation highly recommended.

Products specifications

Fits

GMC Sierra 2500 HD 2004, Acadia 2009-15, Sierra 2500 HD Classic 2007, Sierra 3500 Classic 2007; Chevrolet Traverse 2009-15, Silverado 2500 2004, Silverado 3500 2006, Silverado 2500 HD Classic 2007, Silverado 3500 Classic 2007 + 7 more models

Heat Shield Included

Yes

Inlet Attachment

Weld-on

Outlet Attachment

Weld-on

Heat Shield Material

Aluminized Steel

Inlet Diameter

3

Outlet Diameter

3

Series

HM Grade

Subtitle

Federal / EPA Compliant

Oxygen Sensor Location

None

Inlet Orientation

Straight

Outlet Orientation

Straight

Substrate Material

Ceramic

Body Material

Stainless Steel

Material

Stainless Steel

Finish

Stainless Steel

Outlet Quantity

1

Body Shape

Oval

Body Type

Clam Shell

Sensor Port Count

0

Heat Shield Attached

Yes

Inlet Quantity

1

Body Height

3.75

Overall Length

13

Air Tube Adaptable

No

Type

Universal

Body Width

5.5

Body Length

9

It was fine, hope the two gas caps use the same key like advertised.

Web site easy to navigate. Good reviews. Called to ask a question and my call was answered in just a few minutes!!!

Great price easy check out

Quick and easy, awesome price.

very quick

good service

cool

.

Just hope your right.

Quick and easy

all about the price, nice! perfect fit, very smooth purchase.

It's been very easy so far. Thanks!

Super easy and quick

1st order with Autoplicity. Very easy and very fast shipping. Highly recommended.

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