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Welcome to the Nissan 350z Catalytic Converter Center at Andy's Auto Sport!
At Andy's Auto Sport, we have a huge variety of Nissan 350z 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 350z catalytic converters, so that whether you are looking for replacement Nissan 350z 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 350z catalytic converter needs!
» CHOOSE YOUR MODEL
Free shipping for a limited time only!
Fits on:
03-06 Nissan 350Z 6CYL 3.5L
03-06 Nissan 350Z 6CYL 3.5L
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24086
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Magnaflow Direct Fit Catalytic Converter - Driver Side
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Price: $566.01 / Each
Free Shipping! 
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Free shipping for a limited time only!
Fits on:
03-06 Nissan 350Z 6CYL 3.5L
03-06 Nissan 350Z 6CYL 3.5L
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51601
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Magnaflow Direct Fit Catalytic Converter - Driver Side
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Price: $699.33 / Each
Free Shipping!
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Free shipping for a limited time only!
Fits on:
03-06 NIssan 350Z 6CYL 3.5L
03-06 NIssan 350Z 6CYL 3.5L
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24082
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Magnaflow Direct Fit Catalytic Converter - Passenger Side
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Price: $561.13 / Each
Free Shipping!
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Fits on:
03-06 350z
03-06 350z
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503430
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Stillen Metallic Converters (Offroad Use Only)
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Price: $590.50 / Pair
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Fits on:
07-08 350z (Including Nismo)
07-08 350z (Including Nismo)
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503436
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Stillen Metallic Converters (Offroad Use Only)
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Price: $590.50 / Pair
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Fits on:
2007-2009 Nissan 350Z
2007-2009 Nissan 350Z
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CATS-07-09
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Kinetix 350Z G35 G37 High Flow Cats
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Price: $419.00 / Pair
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Fits on:
2003-2006 Nissan 350Z
2003-2006 Nissan 350Z
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CATS-03-06
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Kinetix 350Z G35 G37 High Flow Cats
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Price: $419.00 / Pair
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Fits on:
03-Up 350Z 3.5 V6
03-Up 350Z 3.5 V6
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SSXNI001
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Milltek Sport Cat-Back With Dual 100mm Meteor Tailpipe
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Price: $1,549.00 / Each
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» NEWS
Catalytic Converters on Andy's Auto Sport TV!
This is an Andy's Auto Sport TV episode where we break down the basics of catalytic converters. We explain the difference between a direct-fit bolt-on catalytic converter and a universal weld-on catalytic converter. We also go over the benefits of getting a new cat, and we even do an installation to show what's involved.
If you want to find an Andy's coupon code to use to buy your Nissan 350z Catalytic Converter, then go to our Facebook page and click the "Like" button at the top!
Andy's Auto Sport on Facebook
» WHY TO BUY?
The good news is that, although replacement 350z 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 350z 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 350z 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 350z 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 350z catalytic converter is on its way out? If your 350z 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 350z 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 350z 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 350z 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.
So how do you know if your 350z catalytic converter is on its way out? If your 350z 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 350z 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 350z 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 350z 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.
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