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Hummer H3 Exhaust Manifold Reviews
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Shop Hummer H3 Replacement Exhaust Manifold

Search our online exhaust manifold catalog and find the lowest priced discount auto parts on the web. We sell wholesale to the public. We offer high quality new, OEM, aftermarket and remanufactured Hummer H3 Exhaust Manifold parts. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck or SUV. Call toll free to order or place your order online via our secure checkout system. Our online parts catalog uses real-time inventory, so you can be assured the parts you buy are in stock at the time of ordering. Most orders are shipped the same day.

We stock these Exhaust Manifold brands for the Hummer H3: ReplacementBosalDormanAPIWalkerOPDIY SolutionsSKP

Exhaust Manifolds available for the following Hummer H3 years: 2010, 2009, 2008, 10, 09, 08. This part is also sometimes called Hummer H3 Exhaust Manifolds. We stock exhaust manifold parts for most Hummer models including H2 and H3T.

Select your H3 year

Review Fitment Notes
Showing 21 of 109 Results
Replacement Exhaust Manifold - for 2010 Hummer H3 5.3L V8 - N01-199 Click to Enlarge
Website Reviews
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Part Number: N01-199
Brand: Replacement
Notes: Exhaust Manifold -- V8; Exhaust Manifold (Right Passenger Side)
Product Remark: Kit Includes; Gasket, Flange, and (3) Studs and Nuts
Condition: New
Shipping Options: Free Ground Shipping
$102.95
with FREE Shipping
(29) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
2010 Hummer H3 5.3L V8
Bosal Exhaust Manifold with Integrated Catalytic Converter - for 2007 Hummer H3 3.7L 5 Cyl - 079-5230 Click to Enlarge
4 Stars
Bosal 079-5230
Exhaust Manifold with Integrated Catalytic Converter
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Part Number: 079-5230
Brand: Bosal
Notes: BRExhaust Federal Direct-Fit Premium Load OBDII Exhaust Manifold with Integrated Catalytic Converter
Condition: New
Shipping Options: Ground
5 Year / 25,000 Mile Bosal Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$642.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2007 Hummer H3 3.7L 5 Cyl
Bosal Exhaust Manifold with Integrated Catalytic Converter - for 2006 Hummer H3 3.5L 5 Cyl - 079-5209 Click to Enlarge
5 Stars
Bosal 079-5209
Exhaust Manifold with Integrated Catalytic Converter
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Part Number: 079-5209
Brand: Bosal
Notes: BRExhaust Federal Direct-Fit Premium Load OBDII Exhaust Manifold with Integrated Catalytic Converter -- Not Legal For Sale In California Not Legal In NY For Vehicles with California Emissions
Condition: New
Body Material: Stainless Steel
Mounting Hardware Included: Yes
Material: Stainless Steel
Type: Federal / EPA Compliant
Series: Federal
Type: Direct-Fit
Shipping Options: Ground
5 Year / 25,000 Mile Bosal Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$581.43
(4) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2006 Hummer H3 3.5L 5 Cyl
Front Dorman Exhaust Manifold with Integrated Catalytic Converter - for 2007 Hummer H3 3.7L 5 Cyl - 674-989 Click to Enlarge
5 Stars
Dorman 674-989
Exhaust Manifold with Integrated Catalytic Converter
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Part Number: 674-989
Brand: Dorman
Notes: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
  • Designed to match the fit and performance of the original equipment
  • Includes gaskets and downpipe hardware to simplify installation
  • Made within strict tolerances for reliable longevity
Position: Front
Condition: New
Color: Natural
Grade Type: Regular
Package Contents: Exhaust Manifold; Gaskets and Hardware
Shipping Options: Ground
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$547.43
(6) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2007 Hummer H3 3.7L 5 Cyl
API Exhaust Manifold with Integrated Catalytic Converter - for 2007 Hummer H3 3.7L 5 Cyl - 2101-512108 Click to Enlarge
5 Stars
API 2101-512108
Exhaust Manifold with Integrated Catalytic Converter
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Part Number: 19076-07806174
Brand: API
Notes: OES -- EPA Federal Compliant-Standard Loading Catalyst- Not Legal for sale or use in California. Legal in NY and ME on EPA Federal Emmision Equipped Vehicles Only
Condition: New
Shipping Options: Ground
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$295.98
(7) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2007 Hummer H3 3.7L 5 Cyl
Bosal Exhaust Manifold with Integrated Catalytic Converter - for 2008 Hummer H3 3.7L 5 Cyl - 079-5230 Click to Enlarge
4 Stars
Bosal 079-5230
Exhaust Manifold with Integrated Catalytic Converter
Loading Reviews...
Part Number: 079-5230
Brand: Bosal
Notes: BRExhaust Federal Direct-Fit Premium Load OBDII Exhaust Manifold with Integrated Catalytic Converter
Condition: New
Shipping Options: Ground
5 Year / 25,000 Mile Bosal Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$642.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2008 Hummer H3 3.7L 5 Cyl
API Exhaust Manifold with Integrated Catalytic Converter - for 2008 Hummer H3 3.7L 5 Cyl - 2101-512108 Click to Enlarge
5 Stars
API 2101-512108
Exhaust Manifold with Integrated Catalytic Converter
Loading Reviews...
Part Number: 28825-07806174
Brand: API
Notes: OES -- EPA Federal Compliant-Standard Loading Catalyst- Not Legal for sale or use in California. Legal in NY and ME on EPA Federal Emmision Equipped Vehicles Only
Condition: New
Shipping Options: Ground
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$295.98
(7) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2008 Hummer H3 3.7L 5 Cyl
Front Dorman Exhaust Manifold with Integrated Catalytic Converter - for 2008 Hummer H3 3.7L 5 Cyl - 674-989 Click to Enlarge
5 Stars
Dorman 674-989
Exhaust Manifold with Integrated Catalytic Converter
Loading Reviews...
Part Number: 674-989
Brand: Dorman
Notes: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
  • Designed to match the fit and performance of the original equipment
  • Includes gaskets and downpipe hardware to simplify installation
  • Made within strict tolerances for reliable longevity
Position: Front
Condition: New
Color: Natural
Grade Type: Regular
Package Contents: Exhaust Manifold; Gaskets and Hardware
Shipping Options: Ground
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$547.43
(6) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2008 Hummer H3 3.7L 5 Cyl
Walker Exhaust Manifold with Integrated Catalytic Converter - for 2008 Hummer H3 3.7L 5 Cyl - 16578 Click to Enlarge
Website Reviews
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Part Number: 16578
Brand: Walker
Notes: EPA -- Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31555; Ultra Type
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN -- Bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE -- Features thick OE-style flanges and manifolds for strength and durability
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE -- Backed by Walker's 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
Condition: New
Substrate Material: Ceramic
Shipping Options: Ground
5 Year / 50,000 Mile Walker Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$632.43
(10) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2008 Hummer H3 3.7L 5 Cyl
Front OP Exhaust Manifold with Integrated Catalytic Converter - for 2006 Hummer H3 - OPCG4041 Click to Enlarge
Website Reviews
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Part Number: OPCG4041
Brand: OP
Notes: Catalytic Converter with Integrated Exhaust Manifold -- Not for sale or use in the states of CA/NY/ME if vehicle is equipped with CA emissions (CARB Std.)
Position: Front
Condition: New
Shipping Options: Ground
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$318.43
(48) In Stock
This Part Fits:
Catalog: B
Vehicle
2006 Hummer H3
Front Dorman Exhaust Manifold with Integrated Catalytic Converter - for 2006 Hummer H3 3.5L 5 Cyl - 674-703 Click to Enlarge
5 Stars
Dorman 674-703
Exhaust Manifold with Integrated Catalytic Converter
Loading Reviews...
Part Number: 674-703
Brand: Dorman
Notes: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
  • Designed to match the fit and performance of the original equipment
  • Includes gaskets and downpipe hardware to simplify installation
  • Made within strict tolerances for reliable longevity
Position: Front
Condition: New
Package Contents: Exhaust Manifold; 1 Input Gasket; 1 Output Flange
Color: Natural
Grade Type: Regular
Shipping Options: Ground
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$563.43
(6) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2006 Hummer H3 3.5L 5 Cyl
Walker Exhaust Manifold with Integrated Catalytic Converter - for 2007 Hummer H3 Base 3.7L 5 Cyl - 16481 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 16481
Brand: Walker
Notes: EPA -- Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Includes Front Gasket; Ultra Type
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN -- Bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE -- Features thick OE-style flanges and manifolds for strength and durability
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE -- Backed by Walker's 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
Condition: New
Substrate Material: Ceramic
Shipping Options: Ground
5 Year / 50,000 Mile Walker Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$699.43
(3) In Stock
This Part Fits:
Catalog: B
Vehicle Sub Model Engine
2007 Hummer H3 Base 3.7L 5 Cyl
DIY Solutions Exhaust Manifold with Integrated Catalytic Converter - for 2006 Hummer H3 3.5L 5 Cyl - EXH00454 Click to Enlarge
Website Reviews
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Part Number: EXH00454
Brand: DIY Solutions
Notes: Catalytic Converter with Integrated Exhaust Manifold -- L5 3.5L
Condition: New
Shipping Options: Free Ground Shipping
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$282.95
with FREE Shipping
(13) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2006 Hummer H3 3.5L 5 Cyl
DIY Solutions Exhaust Manifold with Integrated Catalytic Converter - for 2009 Hummer H3 3.7L 5 Cyl - EXH00488 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: EXH00488
Brand: DIY Solutions
Notes: Catalytic Converter with Integrated Exhaust Manifold -- with Federal Emissions; L5 3.7L
Condition: New
Included: Mounting Hardware
Included: Gasket Kit
Shipping Options: Free Ground Shipping
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$312.95
with FREE Shipping
View Details
This Part Fits:
Catalog: Q
Vehicle Engine
2009 Hummer H3 3.7L 5 Cyl
Walker Exhaust Manifold with Integrated Catalytic Converter - for 2006 Hummer H3 3.5L 5 Cyl - 16481 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 16481
Brand: Walker
Notes: EPA -- Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Includes Front Gasket; Ultra Type
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN -- Bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE -- Features thick OE-style flanges and manifolds for strength and durability
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE -- Backed by Walker's 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
Condition: New
Substrate Material: Ceramic
Shipping Options: Ground
5 Year / 50,000 Mile Walker Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$699.43
(3) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2006 Hummer H3 3.5L 5 Cyl
Walker Exhaust Manifold with Integrated Catalytic Converter - for 2007 Hummer H3 X 3.7L 5 Cyl - 16578 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 16578
Brand: Walker
Notes: EPA -- Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31555; Ultra Type
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN -- Bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE -- Features thick OE-style flanges and manifolds for strength and durability
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE -- Backed by Walker's 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
Condition: New
Substrate Material: Ceramic
Shipping Options: Ground
5 Year / 50,000 Mile Walker Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$632.43
(10) In Stock
This Part Fits:
Catalog: B
Vehicle Sub Model Engine
2007 Hummer H3 X 3.7L 5 Cyl
Right Dorman Exhaust Manifold - for 2010 Hummer H3 5.3L V8 - W0133-2080589 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: W0133-2080589
Brand: Dorman
Notes: OE Solutions
Position: Right
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$237.78
Our Price: $199.58
(1) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2010 Hummer H3 5.3L V8
Front Dorman Exhaust Manifold with Integrated Catalytic Converter - for 2006 Hummer H3 3.5L 5 Cyl - 674-703 Click to Enlarge
5 Stars
Dorman 674-703
Exhaust Manifold with Integrated Catalytic Converter
Loading Reviews...
Part Number: 674-703
Brand: Dorman
Notes: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
  • Designed to match the fit and performance of the original equipment
  • Includes gaskets and downpipe hardware to simplify installation
  • Made within strict tolerances for reliable longevity
Position: Front
Condition: New
Package Contents: Exhaust Manifold; 1 Input Gasket; 1 Output Flange
Color: Natural
Grade Type: Regular
Shipping Options: Ground
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$558.08
(1) In Stock
This Part Fits:
Catalog: H
Vehicle Engine
2006 Hummer H3 3.5L 5 Cyl
Front Dorman Exhaust Manifold with Integrated Catalytic Converter - for 2008 Hummer H3 3.7L 5 Cyl - 674-989 Click to Enlarge
5 Stars
Dorman 674-989
Exhaust Manifold with Integrated Catalytic Converter
Loading Reviews...
Part Number: 674-989
Brand: Dorman
Notes: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
  • Designed to match the fit and performance of the original equipment
  • Includes gaskets and downpipe hardware to simplify installation
  • Made within strict tolerances for reliable longevity
Position: Front
Condition: New
Color: Natural
Grade Type: Regular
Package Contents: Exhaust Manifold; Gaskets and Hardware
Shipping Options: Ground
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$454.98
View Details
This Part Fits:
Catalog: C
Vehicle Engine
2008 Hummer H3 3.7L 5 Cyl
Right SKP Exhaust Manifold - for 2010 Hummer H3 5.3L V8 - SK674785 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: SK674785
Brand: SKP
Notes: Exhaust Manifold
  • Meets or exceeds OEM specifications
  • Rigorous quality control measures
  • 12-month SKP limited warranty
Position: Right
Condition: New
Shipping Options: Ground
$73.98
(2) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
2010 Hummer H3 5.3L V8
Walker Exhaust Manifold with Integrated Catalytic Converter - for 2007 Hummer H3 Base 3.7L 5 Cyl - 16481 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 16481
Brand: Walker
Notes: EPA -- Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Includes Front Gasket; Ultra Type
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN -- Bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE -- Features thick OE-style flanges and manifolds for strength and durability
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE -- Backed by Walker's 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
Condition: New
Substrate Material: Ceramic
Shipping Options: Ground
5 Year / 50,000 Mile Walker Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$1,052.98
(2) In Stock
This Part Fits:
Catalog: N
Vehicle Sub Model Engine
2007 Hummer H3 Base 3.7L 5 Cyl

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- 2007 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter
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The part arrived in a timely manner but the box was badly damaged & had a hole on each end with the part sticking out My mechanic said that there was a damaged spot but it didn't effect the installation or function of the converter. - Poor packaging

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A&h motors llc good service and was delivered within few days FedEx ground was packed well and fair price. - A and h motors llc, was good parts and got quality.

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The manifold came within the time stated at purchase packaged in a quality box. It was installed within a couple of hours and fit like a glove. I am very satisfied with the service and the product. - Papa Joe

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Great value and top quality.Parts arrived in a timely manner. Saved hundreds of dollars over dealership cost. - Great Value

- 2006 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter