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Welcome to the Toyota 4Runner Catalytic Converter Center at Andy's Auto Sport!
At Andy's Auto Sport, we have a huge variety of Toyota 4Runner 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 Toyota 4Runner catalytic converters, so that whether you are looking for replacement Toyota 4Runner 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 Toyota 4Runner catalytic converter needs!
» CHOOSE YOUR MODEL
Free shipping for a limited time only!
Fits on:
88-95 Toyota 4Runner 3.0L
88-95 Toyota 4Runner 3.0L
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2050002
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Flowmaster Catalytic Converter - Direct Fit - 2.25 In. Inlet / Outlet - 49 State
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Price: $138.99 / Each
Free Shipping! 
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Free shipping for a limited time only!
Fits on:
90-95 Toyota 4 Runner 2.4L
90-95 Toyota 4 Runner 2.4L
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23886
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Magnaflow Hi Flow Catalytic Converter - Direct Fit
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Price: $107.28 / Each
Free Shipping!
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Free shipping for a limited time only!
Fits on:
88-95 Toyota 4 Runner 3.4L (Exc. Calif. OBDII)
88-95 Toyota 4 Runner 3.4L (Exc. Calif. OBDII)
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23884
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Magnaflow Hi Flow Catalytic Converter - Direct Fit
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Price: $111.37 / Each
Free Shipping!
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Free shipping for a limited time only!
Fits on:
85-95 4-Runner, 2.4L
85-95 4-Runner, 2.4L
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39886
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Magnaflow Direct Fit Catalytic Converter (50-State Legal)
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Price: $252.34 / Each
Free Shipping!
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Free shipping for a limited time only!
Fits on:
05-07 4-Runner, 6-cyl 4.0L; Passenger Side; Rear
05-07 4-Runner, 6-cyl 4.0L; Passenger Side; Rear
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23985
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Magnaflow Direct Fit Catalytic Converter
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Price: $333.14 / Each
Free Shipping!
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Free shipping for a limited time only!
Fits on:
05-07 4-Runner, 6-cyl 4.0L; Driver Side; Rear
05-07 4-Runner, 6-cyl 4.0L; Driver Side; Rear
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23984
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Magnaflow Direct Fit Catalytic Converter
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Price: $316.00 / Each
Free Shipping!
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Free shipping for a limited time only!
Fits on:
88-95 4-Runner, 3.0L
88-95 4-Runner, 3.0L
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39884
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Magnaflow Direct Fit Catalytic Converter (50-State Legal)
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Price: $251.05 / Each
Free Shipping!
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Free shipping for a limited time only!
Fits on:
96-98 4-Runner, 2.7L; 2WD
96-98 4-Runner, 2.7L; 2WD
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46882
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Magnaflow Direct Fit Catalytic Converter (50-State Legal)
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Price: $301.89 / Each
Free Shipping!
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Free shipping for a limited time only!
Fits on:
96-00 4-Runner, 6-cyl 3.4L
96-00 4-Runner, 6-cyl 3.4L
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27301
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Magnaflow Direct Fit Catalytic Converter
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Price: $296.32 / Each
Free Shipping!
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Free shipping for a limited time only!
Fits on:
03-04 Toyota 4CYL Runner 6CYL 4.0L
03-04 Toyota 4CYL Runner 6CYL 4.0L
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24170
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Magnaflow Direct Fit Catalytic Converter - Driver Side Rear Exit
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Price: $270.79 / Each
Free Shipping!
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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 Toyota 4Runner 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 4Runner 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 4Runner 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 4Runner 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 4Runner 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 4Runner catalytic converter is on its way out? If your 4Runner 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 4Runner 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 4Runner 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 4Runner 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 4Runner catalytic converter is on its way out? If your 4Runner 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 4Runner 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 4Runner 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 4Runner 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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