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Magnaflow HM Grade Universal Catalytic Converter

(Nissan Altima 1996-97, Sentra 1995-96, Maxima 1995-99, 350Z 2003-06, 240SX 1995-98, 200SX 1996-98; Chevrolet Silverado 1500 2014-15 + 262 more models)

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Part Number

20 part numbers · from $170.00
Sale Price

from $170.00

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Magnaflow HM Grade Universal Catalytic Converter is a universal-fit replacement catalytic converter for vehicles that need an emissions-control upgrade or repair. It is built to reduce harmful exhaust emissions while keeping exhaust flow smooth. Installers may also call it a universal cat, cat converter, or emissions catalyst.

Key Features:

  • HM grade design: Made for vehicles that need a high-quality catalytic converter replacement.
  • Universal fit: Installs into the exhaust system with welding or clamps, so it suits many applications.
  • Stainless steel construction: Durable, corrosion-resistant shell built for long-term exhaust service.
  • Catalyst technology: Converts harmful exhaust gases into less harmful compounds.
  • Brand quality: Magnaflow is a well-known name in exhaust and emissions products.

Several inlet and outlet configurations are offered in this product line. Choose the variant that matches your exhaust piping. Professional installation is recommended for proper alignment and sealing.

Products specifications

Fits

Nissan Altima 1996-97, Sentra 1995-96, Maxima 1995-99, 350Z 2003-06, 240SX 1995-98, 200SX 1996-98; Chevrolet Silverado 1500 2014-15, Camaro 1996-2002, Silverado 2500 HD 2001-06, 2012-16, S10 2000, Colorado 2004-06, Malibu 2005-06 + 257 more models

Select yours to see vehicle-specific options.

Select & Customize

20 items

Description
Specifications
Air Tube AdaptableNo
Body Length8.75
Body MaterialStainless Steel
Body ShapeRound
Body TypeSpun
Body Width5
Inlet AttachmentWeld-on
Inlet Diameter2.5
Outlet AttachmentWeld-on
Outlet Diameter2.5
Overall Length8.75
Oxygen Sensor LocationNone
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$220.00
PART NUMBER: 99656HM
In Stock (10+)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height3.75
Body Length7.75
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width5.5
FinishStainless Steel
Heat Shield AttachedYes
Heat Shield IncludedYes
Heat Shield MaterialAluminized Steel
Inlet AttachmentWeld-on
Inlet Diameter2.5
Inlet OrientationAngled
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter2.5
Outlet OrientationStraight
Outlet Quantity1
Overall Length11.5
Oxygen Sensor LocationNone
Sensor Port Count0
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$172.00
PART NUMBER: 99176HM
In Stock (10+)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height3.875
Body Length9
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width5.5
FinishStainless Steel
Heat Shield AttachedYes
Heat Shield IncludedYes
Heat Shield MaterialAluminized Steel
Inlet AttachmentWeld-on
Inlet Diameter2
Inlet OrientationStraight
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter2
Outlet OrientationStraight
Outlet Quantity1
Overall Length13
Oxygen Sensor LocationNone
Sensor Port Count0
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$170.00
PART NUMBER: 99104HM
In Stock (10+)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height3.75
Body Length9
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width5.5
FinishStainless Steel
Heat Shield AttachedYes
Heat Shield IncludedYes
Heat Shield MaterialAluminized Steel
Inlet AttachmentWeld-on
Inlet Diameter3
Inlet OrientationStraight
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter3
Outlet OrientationStraight
Outlet Quantity1
Overall Length13
Oxygen Sensor LocationNone
Sensor Port Count0
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$170.00
PART NUMBER: 99109HM
In Stock (10+)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Length11
Body MaterialStainless Steel
Body ShapeRound
Body TypeClam Shell
Body Width4.25
Heat Shield IncludedYes
Inlet AttachmentWeld-on
Inlet Diameter2
Outlet AttachmentWeld-on
Outlet Diameter2
Overall Length15
Oxygen Sensor LocationPost Converter
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$188.00
PART NUMBER: 99324HM
In Stock (10+)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height3.75
Body Length15.5
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width6.5
FinishStainless Steel
Heat Shield AttachedYes
Heat Shield IncludedYes
Heat Shield MaterialAluminized Steel
Inlet AttachmentWeld-on
Inlet Diameter3
Inlet OrientationStraight
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter3
Outlet OrientationStraight
Outlet Quantity1
Overall Length19.5
Oxygen Sensor LocationNone
Sensor Port Count0
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$396.00
PART NUMBER: 99509HM
In Stock (10+)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height3.75
Body Length12
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width6.375
FinishStainless Steel
Heat Shield AttachedYes
Heat Shield IncludedYes
Heat Shield MaterialAluminized Steel
Inlet AttachmentWeld-on
Inlet Diameter2.25
Inlet OrientationStraight
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter2.25
Outlet OrientationStraight
Outlet Quantity1
Overall Length16
Oxygen Sensor LocationNone
Sensor Port Count0
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$318.00
PART NUMBER: 99555HM
In Stock (10+)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Length11.5
Body MaterialStainless Steel
Body ShapeRound
Body TypeSpun
Body Width4
Inlet AttachmentWeld-on
Inlet Diameter2.5
Outlet AttachmentWeld-on
Outlet Diameter2.5
Overall Length11.5
Oxygen Sensor LocationNone
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$228.00
PART NUMBER: 99756HM
In Stock (10+)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height3.75
Body Length7.75
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width5.5
FinishStainless Steel
Heat Shield AttachedYes
Heat Shield IncludedYes
Heat Shield MaterialAluminized Steel
Inlet AttachmentWeld-on
Inlet Diameter2.25
Inlet OrientationAngled
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter2.25
Outlet OrientationStraight
Outlet Quantity1
Overall Length11.5
Oxygen Sensor LocationNone
Sensor Port Count0
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$172.00
PART NUMBER: 99175HM
In Stock (10+)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height3.75
Body Length12
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width6.375
FinishStainless Steel
Heat Shield AttachedYes
Heat Shield IncludedYes
Heat Shield MaterialAluminized Steel
Inlet AttachmentWeld-on
Inlet Diameter2.5
Inlet OrientationStraight
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter2
Outlet OrientationStraight
Outlet Quantity2
Overall Length16
Oxygen Sensor LocationNone
Sensor Port Count0
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$328.00
PART NUMBER: 99007HM
In Stock (10+)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Length12
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width5.5
Heat Shield IncludedYes
Inlet AttachmentWeld-on
Inlet Diameter2.5
Outlet AttachmentWeld-on
Outlet Diameter2.5
Overall Length16
Oxygen Sensor LocationPre and Post Converter
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$231.00
PART NUMBER: 99066HM
In Stock (10+)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height3.75
Body Length7.75
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width5.5
FinishStainless Steel
Heat Shield AttachedYes
Heat Shield IncludedYes
Heat Shield MaterialAluminized Steel
Inlet AttachmentWeld-on
Inlet Diameter2
Inlet OrientationAngled
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter2
Outlet OrientationAngled
Outlet Quantity1
Overall Length11.25
Oxygen Sensor LocationNone
Sensor Port Count0
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$173.00
PART NUMBER: 99184HM
In Stock (9)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height3.75
Body Length12
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width5.5
FinishStainless Steel
Heat Shield AttachedYes
Heat Shield IncludedYes
Heat Shield MaterialAluminized Steel
Inlet AttachmentWeld-on
Inlet Diameter2
Inlet OrientationStraight
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter2
Outlet OrientationStraight
Outlet Quantity1
Overall Length16
Oxygen Sensor LocationPost Converter
Sensor Port Count1
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$228.00
PART NUMBER: 99034HM
In Stock (8)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Length12
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width6.375
Heat Shield IncludedYes
Inlet AttachmentWeld-on
Inlet Diameter2.5
Outlet AttachmentWeld-on
Outlet Diameter2
Overall Length16
Oxygen Sensor LocationPre and Post Converter
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$258.00
PART NUMBER: 99667HM
In Stock (8)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Length9
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width5.5
Heat Shield IncludedYes
Inlet AttachmentWeld-on
Inlet Diameter2.25
Outlet AttachmentWeld-on
Outlet Diameter2.25
Overall Length13
Oxygen Sensor LocationPost Converter
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$171.00
PART NUMBER: 99135HM
In Stock (5)
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height4.375
Body Length9
Body MaterialStainless Steel
Body ShapeRound
Body TypeClam Shell
Body Width4.5
FinishStainless Steel
Heat Shield AttachedYes
Heat Shield IncludedYes
Heat Shield MaterialAluminized Steel
Inlet AttachmentWeld-on
Inlet Diameter1.75
Inlet OrientationStraight
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter1.75
Outlet OrientationStraight
Outlet Quantity1
Overall Length13
Oxygen Sensor LocationPost Converter
Sensor Port Count1
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$182.00
PART NUMBER: 99233HM
4 left at this price
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height3.75
Body Length7.75
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width5.5
FinishStainless Steel
Heat Shield AttachedYes
Heat Shield IncludedYes
Heat Shield MaterialAluminized Steel
Inlet AttachmentWeld-on
Inlet Diameter2.25
Inlet OrientationAngled
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter2.25
Outlet OrientationAngled
Outlet Quantity1
Overall Length11.25
Oxygen Sensor LocationNone
Sensor Port Count0
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$173.00
PART NUMBER: 99185HM
4 left at this price
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Length9
Body MaterialStainless Steel
Body ShapeOval
Body TypeClam Shell
Body Width5.5
Heat Shield IncludedYes
Inlet AttachmentWeld-on
Inlet Diameter2
Outlet AttachmentWeld-on
Outlet Diameter2
Overall Length13
Oxygen Sensor LocationPost Converter
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$171.00
PART NUMBER: 99134HM
4 left at this price
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Length11.5
Body MaterialStainless Steel
Body ShapeRound
Body TypeSpun
Body Width4
Inlet AttachmentWeld-on
Inlet Diameter2
Outlet AttachmentWeld-on
Outlet Diameter2
Overall Length11.5
Oxygen Sensor LocationNone
SeriesHM Grade
Substrate MaterialCeramic
SubtitleFederal / EPA Compliant
TypeUniversal
$228.00
PART NUMBER: 99754HM
4 left at this price
Usually delivered within 2 days
Description
Specifications
Air Tube AdaptableNo
Body Height6
Body Length12
Body MaterialStainless Steel
Body ShapeRound
Body TypeSpun
Body Width6
FinishStainless Steel
Heat Shield AttachedNo
Inlet AttachmentWeld-on
Inlet Diameter4
Inlet OrientationOffset
Inlet Quantity1
MaterialStainless Steel
Outlet AttachmentWeld-on
Outlet Diameter4
Outlet OrientationStraight
Outlet Quantity1
Overall Length12
Oxygen Sensor LocationNone
Sensor Port Count0
SeriesHM Grade
Substrate MaterialMetallic
SubtitleFederal / EPA Compliant
TypeUniversal
$506.00
PART NUMBER: 60121
1 left at this price
Usually delivered within 2 days
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