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Nissan Altima Catalytic Converters

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Fits: 1995 Nissan Sentra; 1.6, 4L, 1996 Nissan 200SX; 1.6, 4L, 1997 Nissan Altima; 2.4, 4L, 1995 Nissan Altima; 2.4, 4L, 1996 Nissan Altima; 2.4, 4L, 1995 N ...

PART# 23706

Ca Legality: 49-State Legal (Ex. CA)
Price: $200.23
Qty: Each

Free Shipping! *Continental U.S. only.


Fits: 2006 Nissan Altima, 2008 Saab 9-3, 2007 Saab 9-3, 2008 Saab 9-5

PART# 542005

$161.13
Qty: Each


Fits: 2002 Nissan Altima, 2003 Nissan Altima

PART# 57020

$481.54
Qty: Each


Ca Legality: 50-State Legal
Price: $307.68
Qty: Each

Free Shipping! *Continental U.S. only.


Fits: 2004 Nissan Altima; 3.5, 6V, 2003 Nissan Altima; 3.5, 6V, 2002 Nissan Altima; 3.5, 6V, 2005 Nissan Altima; 3.5, 6V

PART# 93361

Ca Legality: 49-State Legal (Ex. CA)
Price: $361.90
Qty: Each

Free Shipping! *Continental U.S. only.


Fits: 1999 Nissan Altima; 2.4, 4L, 2000 Nissan Altima; 2.4, 4L, 2001 Nissan Altima; 2.4, 4L, 1998 Nissan Altima; 2.4, 4L

PART# 49360

$390.15
Qty: Each


Fits: 1997 Nissan Altima; 2.4, 4L, 1995 Nissan Altima; 2.4, 4L, 1996 Nissan Altima; 2.4, 4L

PART# 50220

Ca Legality: 49-State Legal (Ex. CA)
Inlet Size: 4.04"
Price: $269.02
Qty: Each

Free Shipping! *Continental U.S. only.


Fits: 2003 Nissan Altima; 2.5, 4L, 2004 Nissan Altima; 2.5, 4L, 2006 Nissan Altima; 2.5, 4L, 2005 Nissan Altima; 2.5, 4L, 2002 Nissan Altima; 2.5, 4L

PART# 49523

Ca Legality: 49-State Legal (Ex. CA)
Price: $424.42
Qty: Each

Free Shipping! *Continental U.S. only.


Fits: 2004 Mercedes-Benz CLK55 AMG, 2000 Mercedes-Benz E55 AMG, 2000 Nissan Altima, 2003 Mitsubishi Diamante, 2004 Mercedes-Benz CL55 AMG, 2001 Mercedes-Ben ...

PART# 441306

$164.56
Qty: Each


Fits: 2003 Nissan Sentra, 2004 Nissan Sentra, 2002 Nissan Altima, 2002 Nissan Sentra, 2005 Nissan Sentra, 2006 Nissan Sentra, 2003 Nissan Altima

PART# 56019

Ca Legality: 50-State Legal
Price: $613.64
Qty: Each

Free Shipping! *Continental U.S. only.


Fits: 2004 Nissan Sentra; 2.5, 4L, 2005 Nissan Sentra; 2.5, 4L, 2006 Nissan Sentra; 2.5, 4L, 2003 Nissan Altima; 2.5, 4L, 2003 Nissan Sentra; 2.5, 4L, 2006 ...

PART# 50805

Ca Legality: 49-State Legal (Ex. CA)
Price: $441.25
Qty: Each

Free Shipping! *Continental U.S. only.


Fits: 1999 Nissan Altima; 2.4, 4L, 2000 Nissan Altima; 2.4, 4L, 2001 Nissan Altima; 2.4, 4L, 1998 Nissan Altima; 2.4, 4L

PART# 50871

Ca Legality: 49-State Legal (Ex. CA)
Price: $313.99
Qty: Each

Free Shipping! *Continental U.S. only.


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Not able to find what you are looking for?

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At Andy's Auto Sport, we have a huge variety of Nissan Altima catalytic converters to ensure that you have every catalytic converter option available to you. We go out of our way to carry every major line of Nissan Altima catalytic converters, so that whether you are looking for replacement Nissan Altima catalytic converter or a performance high flow cat or anything in between, we've got it for you. Andy's Auto Sport is the ultimate shopping destination for your Nissan Altima catalytic converter needs!


WHY TO BUY?
NEWS


The good news is that, although replacement catalytic converters can be costly from your local dealership, aftermarket units (many times made by the same original equipment manufacturers) are substantially less expensive and can be purchased as direct-fit bolt-on units (assuming that the original converter was also bolted on) or weld-on units. Replacing your catalytic converter can restore power that has been lost due to a faulty original converter and will make your vehicle run better overall. In addition, a bad catalytic converter means that your exhaust is releasing harmful toxins into the atmosphere and environment, so getting a new one means you’re doing your part to keep the earth and its atmosphere clean.
DID YOU KNOW?
Modern catalytic converters are much less restrictive than in days past, so much so that the antiquated (and illegal) method of "gutting" the converters of their internal structures has been deemed almost pointless on newer cars, as the performance gains are minimal, if any. Aftermarket high-flow catalytic converters are therefore a much better (and more responsible) choice for those seeking to upgrade their exhaust systems or replace a faulty converter.

So how do you know if your catalytic converter is on its way out? If your engine seems to be losing power or your temperature gauge reads a little high, one possible culprit could be that a rich condition is feeding excessive unburned fuel into the catalytic converter, which can overheat it as well as damage it. It is common to see your catalytic converter glowing orange/red when this condition is present. Another common sign of catalytic converter failure is the infamous "rotten egg" smell. Other common symptoms include: a lack of power, rough engine idle, or stalling. If you are replacing your catalytic converter due to any of the above circumstances, it is a good idea to also replace your oxygen sensor, since it plays a vital role in the air/fuel mixture ratio and may have also been damaged due to the same adverse conditions. Finally, physical damage can sometimes occur if a large rock or other object hits catalytic converter, resulting in a damaged ceramic core. This can often be heard, as smaller ceramic pieces will bounce around inside the converter housing. As you can imagine, this is often accompanied by a loss of power due to exhaust blockage.
FAQ's
Q: What is a hi-flow catalytic converter? Why buy one?
A: All stock catalytic converters are restrictive when it comes to exhaust flow, and they essentially place a choke hold on performance. The hi-flow catalytic converters on the market today have a higher flow capacity than factory units. Still able to pass emissions and gain horsepower, how can you go wrong with a hi-flow catalytic converter?

Q: How do you install a hi-flow catalytic converter?
A: There are two kinds of catalytic converters. The first are direct fit converters (no welding required) which have all necessary flanges and oxygen sensors just like the original equipment catalytic converters. There are also universal fit catalytic converters that are designed to be welded or clamped in place. Universal fit converters have the same flow characteristics as direct fit models with the same inlet and outlet diameter.








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