MagnaFlow Universal Catalytic Converter 2.25inch GM 3.8L
Fits 1997–2006 Audi A4, 1997–2005 Audi A4 Quattro and more
All 122 applications- Authorized dealerGenuine Magnaflow parts, sourced direct
- 30-day returnsSee the return policy
- Diesel techs on the line908-223-9744, call or text
- Secure checkout
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99305HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
- Expertly Crafted To Replicate Oem-Like Flow Dynamics/Maintaining Factory Performance And Fuel Efficiency
- Compact, lightweight construction enables installation in confined areas, welding is required
- Compact/Lightweight Construction Enables Installation In Confined Areas/Welding Is Required
- Your Trusted Source For EPA-Compliant Catalytic Converters
- Durable 308 stainless steel MIG welds
- Brand
- Magnaflow
- Part number
- 99305HM
- SKU
- MAG99305HM
- UPC
- 841380031280
- Category
- Catalytic Converter Universal
- Weight
- 5.7 lb
- Shipping
- Ground, ships in 1 to 2 business days
- Emissions
- Not CARB compliant. Not for sale or use in California.
- 1997–2006Audi A4
- 1997–2005Audi A4 Quattro
- 2000–2002Audi A6 Quattro
- 2000–2009Audi S4
- 1995BMW 750iL
- 1997–2000Buick Century
- 2005Buick LaCrosse
- 2002–2003Buick Rendezvous
- 2000Chevrolet Impala
- 1997–2001Chevrolet Lumina
- 1997–2003Chevrolet Malibu
- 1997–1999Chevrolet Monte Carlo
- 2002–2003Chevrolet Venture
- 2002–2003Dodge Ram 1500
- 2000–2002Honda Passport
- 2006–2009Hyundai Sonata
- 2004Jeep Liberty
- 2006–2009Kia Optima
- 2007–2009Kia Rondo
- 1998–2000Mercedes-Benz C280
- 1998–1999Mercedes-Benz CL500
- 1998–2002Mercedes-Benz E430
- 1996–1999Mercedes-Benz S420
- 2000–2003Mercedes-Benz S430
- 1996–1999Mercedes-Benz S500
- 1998Oldsmobile Achieva
- 1999–2004Oldsmobile Alero
- 1997–1999Oldsmobile Cutlass
- 1996–1997Oldsmobile Cutlass Supreme
- 2001–2003Pontiac Aztek
- 1997–2005Pontiac Grand Am
- 1996–2005Pontiac Grand Prix
- 2002–2003Pontiac Montana
- 1997–1998Pontiac Trans Sport
- 1998–2001Volkswagen Beetle
- 1995–2002Volkswagen Cabrio
- 1992–1994Volkswagen Corrado
- 1995–2001Volkswagen Golf
- 1995–2001Volkswagen Jetta
- 1995–2005Volkswagen Passat
- 1999–2001Volvo S80
| Years | Make | Model | Submodel |
|---|---|---|---|
| 1992–1994 | Volkswagen | Corrado | SLC |
| 1995 | Volkswagen | Golf | Celebration Edition |
| 1995 | Volkswagen | Golf | City |
| 1995–2001 | Volkswagen | Golf | GL |
| 1999–2001 | Volkswagen | Golf | GLS |
| 1996–1999 | Volkswagen | Golf | GTI |
| 2000 | Volkswagen | Golf | GTI GLS |
| 1995–2001 | Volkswagen | Jetta | GLS |
| 1996–1999 | Volkswagen | Jetta | GLX |
| 1997–1998 | Volkswagen | Jetta | GT |
| 1997 | Volkswagen | Jetta | Jazz |
| 1998 | Volkswagen | Jetta | K2 |
| 1996 | Volkswagen | Jetta | Trek |
| 1996 | Volkswagen | Jetta | Wolfsburg Edition |
| 1996–1997 | Oldsmobile | Cutlass Supreme | Base |
| 1996–1997 | Oldsmobile | Cutlass Supreme | SL |
| 2001–2003 | Pontiac | Aztek | Base |
| 2001 | Pontiac | Aztek | GT |
| 1997–2005 | Pontiac | Grand Am | GT |
| 2000–2005 | Pontiac | Grand Am | GT1 |
| 1997–2005 | Pontiac | Grand Am | SE |
| 1996–1998 | Volkswagen | Golf | GTI VR6 |
| 1997 | Volkswagen | Golf | Jazz |
| 1997–1998 | Volkswagen | Golf | K2 |
| 1995 | Volkswagen | Golf | Sport |
| 1997 | Volkswagen | Golf | Trek |
| 1995 | Volkswagen | Jetta | Celebration Edition |
| 1995 | Volkswagen | Jetta | City |
| 1995–2001 | Volkswagen | Jetta | GL |
| 1996–1999 | Mercedes-Benz | S500 | Base |
| 1998 | Oldsmobile | Achieva | S |
| 1999–2004 | Oldsmobile | Alero | GL |
| 1999–2004 | Oldsmobile | Alero | GLS |
| 1999–2003 | Oldsmobile | Alero | GX |
| 1997–1998 | Oldsmobile | Cutlass | Base |
| 1999 | Oldsmobile | Cutlass | GL |
| 1997–1999 | Oldsmobile | Cutlass | GLS |
| 1997–1999 | Chevrolet | Monte Carlo | LS |
| 2002 | Chevrolet | Venture | Base |
| 2002–2003 | Chevrolet | Venture | LS |
| 2002–2003 | Chevrolet | Venture | LT |
| 2002–2003 | Chevrolet | Venture | Plus |
| 2002–2003 | Chevrolet | Venture | Value |
| 2002–2003 | Chevrolet | Venture | Warner Bros. |
| 1997–2005 | Audi | A4 | Base |
| 2003–2006 | Audi | A4 | Cabriolet |
| 1999–2005 | Audi | A4 Quattro | Avant |
| 1997–2005 | Audi | A4 Quattro | Base |
| 2000–2002 | Audi | A6 Quattro | Base |
| 2001–2002 | Audi | S4 | Avant |
| 2004–2008 | Audi | S4 | Avant |
| 2000–2002 | Audi | S4 | Base |
| 2004–2008 | Audi | S4 | Base |
| 1998–1999 | Volkswagen | Jetta | Wolfsburg Edition |
| 2003–2005 | Volkswagen | Passat | GL |
| 1995–1996 | Volkswagen | Passat | GLS |
| 1998–2005 | Volkswagen | Passat | GLS |
| 2004–2005 | Volkswagen | Passat | GLS 4 Motion |
| 1995–1997 | Volkswagen | Passat | GLX |
| 1999–2001 | Volvo | S80 | T6 |
| 1998–2000 | Mercedes-Benz | C280 | Base |
| 1998–1999 | Mercedes-Benz | CL500 | Base |
| 2000–2002 | Mercedes-Benz | E430 | 4Matic |
| 1998–2002 | Mercedes-Benz | E430 | Base |
| 1996–1999 | Mercedes-Benz | S420 | Base |
| 2003 | Mercedes-Benz | S430 | 4Matic |
| 2000–2003 | Mercedes-Benz | S430 | Base |
| 1999–2001 | Volkswagen | Beetle | GLS |
| 1995–1999 | Volkswagen | Cabrio | Base |
| 1998 | Volkswagen | Cabrio | GL |
| 2000–2002 | Volkswagen | Cabrio | GL |
| 1998–2002 | Volkswagen | Cabrio | GLS |
| 2001–2002 | Volkswagen | Cabrio | GLX |
| 1997 | Volkswagen | Cabrio | High Line |
| 2000–2004 | Pontiac | Grand Am | SE1 |
| 2000 | Pontiac | Grand Am | SE2 |
| 2003–2004 | Pontiac | Grand Am | SE2 |
| 1996 | Pontiac | Grand Prix | Base |
| 2005 | Pontiac | Grand Prix | Base |
| 2005 | Pontiac | Grand Prix | GT |
| 2004 | Pontiac | Grand Prix | GT1 |
| 2004 | Pontiac | Grand Prix | GT2 |
| 2002–2003 | Buick | Rendezvous | CXL |
| 2002–2003 | Buick | Rendezvous | CXL Plus |
| 2000 | Chevrolet | Impala | Base |
| 1997–2001 | Chevrolet | Lumina | Base |
| 1997–1999 | Chevrolet | Lumina | LS |
| 1997–1999 | Chevrolet | Lumina | LTZ |
| 1997–2003 | Chevrolet | Malibu | Base |
| 1997–2003 | Chevrolet | Malibu | LS |
| 2003 | Dodge | Ram 1500 | Laramie |
| 2002–2003 | Dodge | Ram 1500 | SLT |
| 2002–2003 | Dodge | Ram 1500 | ST |
| 2000–2002 | Honda | Passport | EX |
| 2000–2002 | Honda | Passport | LX |
| 2006 | Hyundai | Sonata | GL |
| 2006–2009 | Hyundai | Sonata | GLS |
| 2008–2009 | Hyundai | Sonata | Limited |
| 2004–2005 | Pontiac | Grand Prix | GTP |
| 1996–2000 | Pontiac | Grand Prix | SE |
| 2002–2003 | Pontiac | Montana | Base |
| 1997–1998 | Pontiac | Trans Sport | Base |
| 1998 | Pontiac | Trans Sport | Montana |
| 1998 | Volkswagen | Beetle | Base |
| 1999–2001 | Volkswagen | Beetle | GL |
| 2004–2009 | Audi | S4 | Cabriolet |
| 1995 | BMW | 750iL | Base |
| 1997–2000 | Buick | Century | Custom |
| 1997–2000 | Buick | Century | Limited |
| 2005 | Buick | LaCrosse | CX |
| 2005 | Buick | LaCrosse | CXL |
| 2002–2003 | Buick | Rendezvous | CX |
| 2002–2003 | Buick | Rendezvous | CX Plus |
| 2008–2009 | Hyundai | Sonata | SE |
| 2004 | Jeep | Liberty | Limited |
| 2004 | Jeep | Liberty | Renegade |
| 2004 | Jeep | Liberty | Sport |
| 2006–2009 | Kia | Optima | EX |
| 2006–2009 | Kia | Optima | LX |
| 2009 | Kia | Optima | SX |
| 2007–2009 | Kia | Rondo | EX |
| 2007–2009 | Kia | Rondo | LX |
Applications are the manufacturer's published fitment for this part number.
Not sure it fits? Call 908-223-9744 or text us the year, model and engine. We confirm fitment before you order.
- Shipping
- In-stock parts ship in 1 to 2 business days. Tracking is emailed as soon as the label prints.
- Returns
- 30-day returns on unused parts in the original packaging. Return policy.
Reviews
What customers say
Verified reviews collected by Loox from real orders.
Good to know
Questions, answered straight.
If it is not here, call or text the counter. Real people, real answers.
Fitment
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Will this fit my truck?
The Fits section at the top of the page lists the manufacturer's applications for this exact part. If your year, make and model is not there, or you are not sure, text us a photo of what you are replacing with your year and engine and we will confirm it before you order.
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What if I order the wrong part?
Call or text us before it ships and we will swap it. After delivery you have 30 days to return it in new, uninstalled condition. The return policy has the restocking details.
Shipping
-
When will it ship?
In-stock parts usually ship within 1 to 2 business days from warehouses across the USA. The stock line under the options tells you the status of the part you are looking at. Large items ship LTL freight and we call to schedule delivery.
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Why did I only get part of my order?
We ship from multiple warehouses, so an order with several items can arrive in more than one box. Tracking for each shipment is emailed as it goes out. Full details in the shipping policy.
Returns and warranty
-
What is the return policy?
30 days from delivery, in new and uninstalled condition, with a restocking fee. Everything is spelled out in the Returns & Refund Policy.
-
How do warranty claims work?
We are an authorized dealer, so the manufacturer's warranty applies to every part we sell. Call or text us with your order number and we handle the claim with the brand for you.
Paying
-
Can I pay over time?
Yes. Shop Pay installments are offered at checkout on qualifying orders, and the monthly estimate shows right under the price.
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What is a core deposit?
Some remanufactured parts, like injectors and turbos, carry a refundable core deposit. It is shown on the product page when it applies and refunded when your old part comes back to us.
Same brand
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Why buy here
A diesel shop that sells parts, not a website that sells boxes.
Every part on this site is one our own techs can stand behind.
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We run what we sell
A working diesel repair and fabrication shop in Nazareth, PA. These are the parts our techs install every week.
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Real techs on the phone
Call or text 908-223-9744 and you get a diesel tech, not a script.
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Authorized dealer
Genuine parts straight from the manufacturer, with the factory warranty behind them.
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Fast from stock
Most in-stock parts ship in 1 to 2 business days from warehouses across the USA.
Authorized dealer for 140+ brands
All brands- 7+ Years in business
- 6+ Shop technicians
- 30,000+ In-stock SKUs
- 25+ Trucks given away
The shop floor, Nazareth, PAFull Send Diesel, Nazareth, PA
A team of diesel people, not a call center.
Full Send Diesel is a shop full of techs, builders and parts people in Nazareth, Pennsylvania. When you call or text, you reach someone who works on these trucks and knows the parts.
Not sure what you need? Send a photo of what you are replacing with your year and engine. We will point you to the right part, confirm it is in stock, and get it moving.
Mon–Fri, 8am–4pm ET. After hours, text or email and we answer first thing in the morning.






































































