There are plenty of options available while buying 3 inch high flow cats in the market right now, and if you're confused regarding which one to go for, You have come to the right page.

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Our Top Picks:

Best Overall: Buy: Autosaver88 Heat Shield READ REVIEW

Best For Easy Install: Buy: Autosaver88 3 Inch High Flow Cat READ REVIEW

Best For Great Price: Buy: Mayasaf 3 Inch High Flow Cat READ REVIEW

Best With Stainless Wire: Buy: Flowmaster 3 Inch High Flow Cat READ REVIEW

Best For High Flow: Buy: Flowmaster Factory Cat READ REVIEW

Best For Perfect Fitment: Buy: Magnaflow Exhaust Products 3 Inch High Flow Cat READ REVIEW

Best For Overall Length: Buy: Mayasaf 3 Inch High Flow Cat READ REVIEW

Best For Oxygen Sensor Location: Buy: Magnaflow Exhaust Products 3 Inch High Flow Cat READ REVIEW

Best For Body Width: Buy: Bestauto 3 Inch High Flow Cat READ REVIEW

Best Overall: Autosaver88 Heat Shield

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The Autosaver88 heat shield is the epitome of what a great cat should be. The Autosaver88 Heat Shield offers a broad range of products including headlights, led light bars, towing mirrors, taillights, etc. The Manufacturer says: With expertise in the auto-parts field, we’ve been striving to provide more reliable & cost-effective automotive solutions for car lovers, and get pleasure and fulfillment from the favourable comment. And, the cat is missing one piece, It fits perfectly and has a direct fit design.

Most importantly, the autosaver88 heat shield is straight and it fits well.

Almost all buyers agree that the cat fits perfectly on all the smaller vortecs. Also, a few also found that the cat fits 2002 Chevy avalanche 1500 5.3 liter. Also, they strongly agree that the cat has an EPA number to make it legal to used in your country. To sum up, the tone of buyers is very positive and we believe that the cat suits the purpose.

• This is a 2 - peace style connection.
• This is a classic body style it should work for you.
• This is on a 2003 suburban, 5.3l 2wd.
• Attention: this item doesn't ship to California and Colorado, Please confirm before purchase.

Best For Easy Install: Autosaver88 3 Inch High Flow Cat

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The Autosaver88 3 Inch High Flow Cat's superior materials makes sure that it ages well with use. The autosaver88 3 inch high flow cat has a sensor port and it works well. The Manufacturer says: To bring car lovers a safer, happier & more passionate driving experience, we continuously strive to innovate & drive the auto parts industry forward. Also, the cat is designed for professional installation and it makes for easy install.

The cat is perfect for high quality, is inexpensive and it can ask for better than stock. Finally, the autosaver88 3 inch high flow cat is perfect for great quality and it is best for customer service.

Almost all customers opine that the cat does have a port for the o2 sensor. Also, a few strongly agree that a cat is good as oem.. but it is a lot better than no cat at all. Further, they say that the cat is not only made really well, it is extremely light weight and has a slim profile.

• This is good for universal fit and it comes with the right part.
• This offers a 5-year or 50, 000 miles limited warranty, for any manufacturer defect.
• Attention: this item doesn't ship to California and Colorado, Please confirm before purchase.
• It works great, works fine and it is ceramic.

Best For Great Price: Mayasaf 3 Inch High Flow Cat

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Compared with other cats in this category, the Mayasaf 3 Inch High Flow Cat has a convenient design. The mayasaf 3 inch high flow cat is designed for universal fit and it is great with excellent quality. Please make sure this item fits your vehicle. The listed product has not been registered with carb nor received an EO number.

The cat is good for overall length and it takes for professional installation. In addition, there is an auto parts manufacturer and seller in the US that offers a wide range of replacement auto parts. Most importantly, the mayasaf 3 inch high flow cat works great, is designed for a great price and it works fine.

Most buyers agree that the cat fits the 2.5" exhaust perfectly, air flow is perfect with no air restriction. Further, a few say that the cat is made with oem spec. And, a few also found that the cat can be used on a 04 honda crv.

• This will need custom installation, You may need larger piping.
• If you encounter any problems during or after shopping, please let us know.
• This makes excellent fireworks around 4500.
• This will not last 200 miles.

Best With Stainless Wire: Flowmaster 3 Inch High Flow Cat

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The Flowmaster 3 Inch High Flow Cat's superior materials makes sure that it ages well with use. The flowmaster 3 inchhigh flow cat works with part number and it passed inspection. Make sure this fits by entering your model number. Moreover, it is made with fast shipping, is very nice and it works well.

Above all, the flowmaster 3 inch high flow cat installed as expected, is good for universal fit and it is straight.

Most customers found that the cat can be used in performance/race applications.. ie. In addition, a few also found that the cat is manufactured with a company logo etched into the outer shell of the cat can. Further, they say that the honeycomb is quite uniform with the catalyst material properly centered and concentric to the inlet and outlet. To sum up, many have used the cat for more than a few months without any issues, and it shows no sign of giving up.

• This is designed to be slip fit.
• This is designed for race applications and may not pass street driven state inspections.
• High flow 200 cell metallic substrate.
• This is designed for long - lasting durability and performance.

Best For High Flow: Flowmaster Factory Cat

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The Flowmaster Factory Cat's high-end materials make sure that it ages well with use. The flowmaster factory cat is designed for long - lasting durability and performance. Make sure this fits by entering your model number. Further, the cat would be perfect with fast shipping and it makes for nice quality. Above all, the flowmaster factory cat is very nice, sounds great and it allows for easy installation.

Almost all customers found that the cat allows high flow through it. Further, a few strongly agree that the cat is designed for race applications, not highway use. To sum up, many customers have used the flowmaster factory cat for more than a few months without any complaints, and it shows no sign of giving up.

• Metallic substrate material for severe duty applications.
• 25,000 mile warranty on internal components.
• This is universal. It is not recommended unless you are using it in a strip car.
• 50,000 mile/5-year warranty on exterior casings.

Best For Perfect Fitment: Magnaflow Exhaust Products 3 Inch High Flow Cat

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For a low asking price, Magnaflow Exhaust Products 3 Inch High Flow Cat has managed to overwhelm their customers by packing as many features as they could. The magnaflow exhaust products 3inch highflow cat is better than stock, is designed for professional installation and it is made for perfect fitment. With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. Further, this works with a noticeable difference, is suitable for body height and it worked fine.

Most importantly, the magnaflow exhaust products 3 inch high flowcat is good for overall length, It is made for universal fit and has an upgraded design.

Most buyers found that the cat is a very compact design, not as small as a spun metal catalytic converter but much cheaper. In conclusion, many customers have used the cat for more than a few months without any complaints, and it shows no sign of giving up.

• They fit perfectly, is suitable for body length and it fit perfectly.
• New and hot releases.

Best For Overall Length: Mayasaf 3 Inch High Flow Cat

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The features department is where Mayasaf 3 inchhigh flow cat truly manages to shine. The Mayasaf 3 Inch High Flow Cat is prohibited from sale in states which have adopted california's vehicle emission standards, such as california. Manufacturer says: All of the auto-parts we offer are manufactured using the latest international equipment and state-of-the-art technology to meet oem standards, so you can replace your aging, worn out, or failed equipment with a direct fit solution. The listed product has not been registered with carb nor received an EO number.

Lastly, the mayasaf 3inch high flow cat is good for overall length and it is designed for easy installation.

In short, for almost all buyers, Mayasaf product was the most suitable.

• If you encounter any problems during or after shopping, please let us know.
• The Manufacturer says: all products in our store are carefully designed to fit the vehicle.
• Lot of satisfied buyers.

Best For Oxygen Sensor Location: Magnaflow Exhaust Products 3 Inch High Flow Cat

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Magnaflow Exhaust Products has been making great cat for years, thanks to a combination of clever design and appropriate materials. The Magnaflow Exhaust Products 3 Inch High Flow Cat is not shippable to ca or co and any order will need to be canceled if the shipping address is located in either state. Make sure this fits by entering your model number. Moreover, the cat is designed to meet or exceed federal emissions requirements set forth by the EPA, complying with legal standards for pre-obdii federally registered vehicles.

The cat is for professional installation, is very nice and it is made for perfect fitment. Further, the cat is suitable for body width, it is good for oxygen sensor location and has an upgraded design. Finally, the magnaflow exhaust products 3 inch high flowcat is good for overall length, can be used for universal fit and it is ceramic.

Most buyers find that the cat is also a weld-in type, Therefore, an exhaust shop will need to install it, which shouldn't cost more than $50. And, they say that the cat is made from strong materials. Overall, for most customers, the cat was most suitable.

• This is highly recommended and also allows for greater thermal efficiency.
• Good investment for the long term.

Best For Body Width: Bestauto 3 Inch High Flow Cat

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If you often find yourself scrambling for an appropriate and satisfactory cat, Bestauto 3 Inch High Flow Cat is your solution. The bestauto 3 inch highflow cat comes with a stainless steel shell, can endure high temperatures from the exhaust. The Manufacturer says: Our vibrant catalytic is built to meet or exceed oem standard specifications, features high flow design to increase conversion efficiency, and vehicle power without sacrificing flow rate. These high-performance catalytic converters are compliant with OBD iv emission standards and can be widely used in most states.

The cat is suitable for body width and it fits well for body length. Most importantly, the bestauto 3 inch high flow cat is good for overall length, It is ideal for stainless steel structure and has a direct fit design.

In conclusion, buyers found this to be one of the best cats for daily purposes.

• The Manufacturer says: our catalytic converter has precise dimensions, with inlet and outlet.
• This is suitable for universal gas-powered vehicles with a 3" outer diameter exhaust pipe.
• This is illegal to be used in California.
• This universal high flow cat can be fitted to most gas - powered vehicles.