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Catalytic Converter for 2006 Nissan Altima

We have 51 Items In-stock. Select your vehicle's Submodel to continue.

Evan Fischer 48-State Legal (No CA and NY) Catalytic Converter

This Evan Fischer 48-State Legal (No CA and NY) Direct Fit Catalytic Converter is manufactured from high quality and durable stainless steel catalytic case, 16-gauge aluminized steel tubes, and heat shield for long lasting durability and better protection for your vehicle. It also features honeycomb catalyst that has maximum surface area flow. OBD-II and EPA compliant catalytic converter; It is a high quality aftermarket replacement for the OEM catalytic converter. Designed for easy installation - it requires no cutting or welding!

Evan Fischer also offers comprehensive manifold converter assemblies for newer vehicle models!

  • OBD-II And EPA compliant catalytic converter
  • Requires NO cutting or welding
  • Honeycomb catalyst with maximum surface area flow
  • Covered by 5-year or 50,000-mile limited warranty
  • Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses

Evan Fischer Firewall Side Catalytic Converter - Traditional Converter, Direct Fit

Best Seller
$181.65 $214.35 You Save $32.70 (15%)
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Availability: In Stock
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  • Sku#: REPN960310
  • Location: Firewall Side
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Dimensions: 14.5 in. overall length
  • Inlet Type: Single (4-bolt welded flange)
  • Outlet Type: Single (3-bolt welded flange)
  • Oxygen Sensor Ports: 1
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 5-year or 50,000-mile limited warranty
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Fits the following 2006 Nissan Altima Submodels

  • 6 Cyl 3.5L | SE-R, SE, SL, S
See more

Evan Fischer Rear Catalytic Converter - Traditional Converter, Direct Fit

Best Seller
$246.76 $291.18 You Save $44.42 (15%)
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Availability: In Stock
(more)
  • Sku#: REPN960327
  • Location: Rear
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Dimensions: 39.25 in. overall length
  • Inlet Type: Single (3-bolt welded flange)
  • Outlet Type: Single (2-bolt welded flange)
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 5-year or 50,000-mile limited warranty
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Fits the following 2006 Nissan Altima Submodels

  • 6 Cyl 3.5L | SE, SL, S, SE-R
See more

Evan Fischer Firewall Side Catalytic Converter - Traditional Converter, Direct Fit

Best Seller
$185.86 $219.31 You Save $33.45 (15%)
Add to Cart
Availability: In Stock
(more)
  • Sku#: REPN960325
  • Location: Firewall Side
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Dimensions: 14 in. overall length
  • Inlet Type: Single (4-bolt welded flange)
  • Outlet Type: Single (3-bolt welded flange)
  • Oxygen Sensor Ports: 1
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 5-year or 50,000-mile limited warranty
See more

Fits the following 2006 Nissan Altima Submodels

  • 6 Cyl 3.5L | SE, SL, S, SE-R
See more

Eastern 49-state legal Universal Catalytic Converter

Eastern 49-State Legal Universal Catalytic Converters

  • NANO technology for better converter efficiency
  • Advanced materials design for optimum engine output and catalytic efficiency
  • Complete range of inlet and outlet diameters
  • Non-directional for ease of installation
Backed by 3 decades of product expertise, Eastern continues to invest in state-of-the-art production equipment to guarantee only the best for their customers - making them ready for the future.

Note:
  • 49-state legal; Not legal in California and other states adopting California Emissions Standards; Not for sale or use in California and other states adopting California Emissions Standards; Cannot be shipped to California and such states

Eastern ECO II Rear Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$67.29 $79.40 You Save $12.11 (15%)
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Availability: In Stock
(more)
  • Sku#: EAST83165
  • Location: Rear
  • Series: Eastern ECO II
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Aluminized Steel
  • Replaces OE Number: F42Z5E212C
  • Dimensions: 10 in. L x 6 in. W x 4.25 in. H, 14 in. overall length
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
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Fits the following 2006 Nissan Altima Submodels

  • 4 Cyl 2.5L | S, SL, Base
See more
Customer Review: (see review/s)
  • quality of product great price and fast shipping!!!

    posted by: ray on June 25, 2014

  • view all 5 reviews

Eastern Standard Rear Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$40.82 $48.17 You Save $7.35 (15%)
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Availability: In Stock
(more)
  • Sku#: EAST70258
  • Location: Rear
  • Series: Eastern Standard
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Aluminized Steel
  • Dimensions: 5 x 5 x 10 in. body, 14 in. overall length
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
See more

Fits the following 2006 Nissan Altima Submodels

  • 6 Cyl 3.5L | SE, SL, S, SE-R
See more
Customer Review: (see review/s)
  • great price-fit like a glove- works very well-and the first time i bought a part for my BMW 740 il that i did not feel like i had been attact from behind and hi jacked.I have found a new home for my parts now.

    posted by: g.l. on June 20, 2009

49-state legal Eastern Direct Fit Catalytic Converter

Eastern 49-State Legal Direct Fit Catalytic Converters

  • NANO technology for better converter efficiency
  • Advanced materials design for optimum engine output and catalytic efficiency
  • Complete range of inlet and outlet diameters
Backed by 3 decades of product expertise, Eastern continues to invest in state-of-the-art production equipment to guarantee only the best for their customers - making them ready for the future.

Note:
  • 49-state legal; Not legal in California and other states adopting California Emissions Standards; Not for sale or use in California and other states adopting California Emissions Standards; Cannot be shipped to California and such states

Eastern ECO III Front Catalytic Converter - Manifold Converter, Direct Fit

Best Seller
$295.38 $348.55 You Save $53.17 (15%)
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Made to Order
(more)
  • Sku#: EAST40810
  • Location: Front
  • Series: Eastern ECO III
  • Type: Manifold Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
See more

Fits the following 2006 Nissan Altima Submodels

  • 4 Cyl 2.5L | S, SL, Base
See more

Eastern ECO II Front, Passenger Side Catalytic Converter - Traditional Converter, Direct Fit

Best Seller
$200.44 $236.52 You Save $36.08 (15%)
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Availability: In Stock
(more)
  • Sku#: EAST40552
  • Location: Front, Passenger Side
  • Series: Eastern ECO II
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Replaces OE Number: 208A27Y10A
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
See more

Fits the following 2006 Nissan Altima Submodels

  • 6 Cyl 3.5L | SE, SL, S, SE-R
See more
Customer Review: (see review/s)
  • Good! This is working perfect!. I think this is a part that you can use in instead of pay for a expensive one.

    posted by: Rulas on April 14, 2014

Eastern ECO III Front, Driver Side Catalytic Converter - Traditional Converter, Direct Fit

Best Seller
$249.47 $294.37 You Save $44.90 (15%)
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Availability: In Stock
(more)
  • Sku#: EAST40420
  • Location: Front, Driver Side
  • Series: Eastern ECO III
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Dimensions: 13 in. overall length
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
See more

Fits the following 2006 Nissan Altima Submodels

  • 6 Cyl 3.5L | SE, SL, S, SE-R
See more

Magnaflow 49-State Legal Semi-Universal Catalytic Converter

  • Not legal for use in California or in states adopting the California emissions standards
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 49-State Legal semi-universal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow 49-State Semi-Universal Rear Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$100.27 $129.77 You Save $29.50 (23%)
Add to Cart
Availability: In Stock
(more)
  • Sku#: M6699205HM
  • Location: Rear
  • Series: Magnaflow 49-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Dimensions: 9 in. L x 5.13 in. W, 13 in. overall length
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
  • Notes: Slip fit Inlet and outlet attachment type
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Fits the following 2006 Nissan Altima Submodels

  • 4 Cyl 2.5L | S, SL, Base
See more
Customer Review: (see review/s)
  • After instalation my car ran great the parts arrived when they said they would.

    posted by: Hmc on July 16, 2012

Magnaflow 49-State Semi-Universal Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$100.27 $129.77 You Save $29.50 (23%)
Add to Cart
Availability: In Stock
(more)
  • Sku#: M6699206HM
  • Series: Magnaflow 49-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Dimensions: 9 in. L x 5.13 in. W, 13 in. overall length
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
  • Notes: Does not have provision for O2 sensor
See more

Fits the following 2006 Nissan Altima Submodels

  • 6 Cyl 3.5L | S, SE-R, SE, SL
See more
Customer Review: (see review/s)
  • While it is necessary to adapt to pipe size on vehicle, the rear requires leaving part of the previous converter on. i.e. The very end of the old converter. That will be the same OD as the new converrter. The old fitting has to be ground down, or as I did, filed. I might better have used a coupling. When I do the left bank, I may try cutting the old portion off, and adapt down. I shall try the coupling. You must have a local supplier who stocks a wide variety of fittings! They are inexpensive. Remember, the adapters can be shortened to allow slippage while installing. They can always be shortened, but cannot be lengthened once cut off, so measure carefully. Think ahead. Procrastinate. As it is, I am still going to have a friend braze the rear end joint, as it leaks a little. Using a coupling most likely would have avoided the leakage.

    posted by: suvguy on July 24, 2012

Magnaflow OEM Grade (49-State Legal) Semi-Universal Catalytic Converter

  • Not legal for use in California or in states adopting the California emissions standards
  • Designed for vehicles equipped with California emissions but not registered or driven in a state adopting the California emissions standards (see item details for more information)
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 49-State Legal semi-universal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow OEM Grade (49-State) Semi-Universal Rear Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$122.43 $158.43 You Save $36.00 (23%)
Add to Cart
Availability: In Stock
(more)
  • Sku#: M6651205
  • Location: Rear
  • Series: Magnaflow OEM Grade (49-State) Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2006 Nissan Altima Submodels

  • 4 Cyl 2.5L | S, SL, Base
See more

Magnaflow OEM Grade (49-State) Semi-Universal Catalytic Converter - Traditional Converter, Semi-Universal

Overstock
$122.43 $158.43 You Save $36.00 (23%)
Add to Cart
Availability: In Stock
(more)
  • Sku#: M6651206
  • Series: Magnaflow OEM Grade (49-State) Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2006 Nissan Altima Submodels

  • 6 Cyl 3.5L | S, SE-R, SE, SL
See more

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