The 10 Best High Flow Cats (2022 reviews)
There are plenty of options available while buying 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.
Also check our buying guide on Best Cats For Catalytic Converter, which will help you understand market quickly.
Our review process:
Our Top Picks:
Best Overall: Buy: Autosaver88 High Flow Cat READ REVIEWBest For Easy Installation: Buy: Mayasaf High Flow Cat READ REVIEWBest With Stainless Wire: Buy: Flowmaster High Flow Cat READ REVIEWBest For Direct Replacement: Buy: Mophorn Heat Shield READ REVIEWBest With Reasonable Price: Buy: Mophorn High Flow Cat READ REVIEWBest For High Flow: Buy: Flowmaster Factory Cat READ REVIEWBest For Perfect Fitment: Buy: Magnaflow Exhaust Products High Flow Cat READ REVIEWBest For Overall Length: Buy: Mayasaf High Flow Cat READ REVIEWBest For Oxygen Sensor Location: Buy: Magnaflow Exhaust Products High Flow Cat READ REVIEWBest For Maximum Efficiency: Buy: Makuang High Flow Cat READ REVIEWBest Overall: Autosaver88 High Flow Cat
Buy on Amazon The Autosaver88 High Flow Cat is capable of outshining several other cats featured in this list in overall features. The autosaver88 high flow cat is perfect for professional installation, passed emissions and it is great for customer service. 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 what moves us forward with the goal of being an influential auto parts brand. Most importantly, the autosaver88 high flow cat is straight and it is ceramic.Almost all buyers agree that the cat can turn off the check engine light. Also, a few also found that the cat can be applied if the size is appropriate. Also, they strongly agree that the cat is universal, but please measure your exhaust pipe and make sure it is 2.5 inch diameter, That will be more convenient for installation. To sum up, the tone of buyers is very positive and we believe that the cat suits the purpose.Top Customer Quotes:
- These are great and were made very well.
- This has them in 3 inch then yes they will work.
- This is usually used, but vehicles after 1998 that require an o2 port, thanks.
- This works great, has a sensor port and it is fitted like a glove.
Best For Easy Installation: Mayasaf High Flow Cat
Buy on Amazon The Mayasaf High Flow Cat's superior materials make sure that it ages well with use. The Mayasaf high flow cat is prohibited from sale in states which have adopted california's vehicle emission standards, such as California. If you encounter any problems during or after shopping, please let us know. The listed product has not been registered with carb nor received an EO number. The Cat is an auto parts manufacturer and seller in the US that offers a wide range of replacement auto parts. Also, the cat provides great value and it is designed for a great price. Above all, the mayasaf high flow cat is perfectly matched with the original vehicle, installed easily to the existing exhaust system.Almost all buyers found that the cat is made with oem spec. Further, they also found that the cat fits inside the ends for ease of installation. Moreover, a few say that this cat is a short - term fix. Overall, many customers have used the Mayasaf high flow cat for more than a few months without any complaints, and it shows no sign of giving up.Top Customer Quotes:
- This works fine and it has a sensor port.
- The Manufacturer says: all products in our store are carefully designed to fit the vehicle.
- This is a universal part, If you have a 2.5” exhaust pipe, maybe.
- This makes excellent fireworks around 4500.
Best With Stainless Wire: Flowmaster High Flow Cat
Buy on Amazon We would, of course, be remiss if we didn't mention Flowmaster High Flow Cat for daily use. The flowmaster high flow cat is straight and it passed inspection. Make sure this fits by entering your model number. In addition, the cat fit well and it is very nice. The cat is perfect for high quality and it is a compact size. Moreover, it is designed for long - lasting durability and performance. Above all, the flowmaster high flow cat works great, works with part number and it installed as expected.Most buyers opine that the cat has a nice throaty sound to them. Moreover, they strongly agree that the cat can be used in performance/race applications.. ie. And, they strongly agree that the cat is a 200 cell catalytic converter. Obviously, this cat passed the test and had very satisfied buyers eager to share their experience.Top Customer Quotes:
- This is not specifically intended to fit a mkz.
- This looks to be very good quality.
- This will work on anything as long as the pipe diameter is the same.
- This is designed for race applications and may not pass street driven state inspections.
Best For Direct Replacement: Mophorn Heat Shield
Buy on Amazon The Mophorn Heat Shield is capable of outshining several other cats featured in this list in overall features for the price point. The mophorn heat shield is for professional installation, comes with gaskets and it allows for perfect fit. 2002 honda accord dx/ex/lx 2.3l, This vibrant catalytic converter perfectly matches your original vehicle. Further, the cat is designed for a stainless steel structure and it passed smog. The cat is compatible with 1998, 1999, 2000, 2001, 2002 honda accord dx/ex/lx 2.3l. In addition, it features maximum durability and it is designed with a honeycomb structure. Finally, the mophorn heat shield is universal for vehicles with a 2"/5 cm outer diameter exhaust pipe.Almost all buyers opine that the cat will work for California emissions, but it worked for Washington emissions. In addition, they strongly agree that the cat will get rusted soon after installation.Why We Like This:
- This is illegal to be used in California as the non-carb compliant.
- This is built with heavy-duty stainless steel, corrosion-proof and durable.
- This is designed to purify the exhaust gases.
- This is an innovative brand that specializes in equipment and tools.
Best With Reasonable Price: Mophorn High Flow Cat
Buy on Amazon Next on the list, we've got yet another cat that manages to win our hearts. It's the Mophorn High Flow Cat and it's widely considered as one of the most convenient cats you can buy. The mophorn high flowcat fits perfectly, provides great value and it is great for best wishes. Please measure the diameter of the exhaust pipes to ensure compatibility. These high flow converters comply with obd iii standards, ensuring the exhaust emissions meet the federal emission standards. The cat can be used in most states except California, not legal for use on vehicles required to meet emission standards. Moreover, it is designed with honeycomb structures. Most importantly, the mophorn highflow cat also features a high flow design to increase conversion efficiency and vehicle power without sacrificing flow rate.Most buyers agree that the cat fits 2009 buick enclave perfectly. In addition, a few strongly agree that the cats are both made pretty much in the same place, with the chevy traverse too.Top Customer Quotes:
- This is suitable for 2011 cadillac srx.
- This is built with heavy-duty stainless steel, corrosion-proof and durable.
- This is great for a great price and it comes with gaskets.
- Manufacturer says: Our free-flow catalytic converters have standard specification flanges designed for easy installation.
Best For High Flow: Flowmaster Factory Cat
Buy on Amazon The Flowmaster Factory Cat should be able to handle its purpose and duties with ease. The flowmaster factory cat is made with fast shipping and it is very nice. Make sure this fits by entering your model number. Also, it is designed for long - lasting durability and performance. Lastly, the flowmaster factory makes for nice quality and it sounds great.Almost all buyers quickly discovered that the cat can notice better throttle response and they make the truck sound great with true dual exhaust and short glass packs. In addition, a few also found that the cat allows high flow through it. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.Customers say that getting a 350 z high flow cat, along with cat is useful.
Top Customer Quotes:
- This is designed for race applications, not highway use.
- 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 High Flow Cat
Buy on Amazon The Magnaflow Exhaust Products High Flow Cat's material feels more premium than its price would suggest. The magnaflow exhaust products high flow cat worked fine and it fits well for body length. Make sure this fits by entering your model number. And, it is highly recommended and allows for greater thermal efficiency through research and development to exceed customers' expectations. The cat is good for overall length and it fits perfectly. Also, this takes professional installation, It is for oxygen sensor location and has an upgraded design. Above all, the magnaflow exhaust products high flow cat fit perfectly, is suitable for body height and it is designed for better than stock.Most customers opine that the cat is a very compact design, not as small as a spun metal catalytic converter but much cheaper.Why We Like This:
- This works with a noticeable difference, is ceramic and it is made for perfect fitment.
- Good investment for the long term.
Best For Overall Length: Mayasaf High Flow Cat
Buy on Amazon Mayasaf makes beautiful and great cats with classic and higher-grade materials. The Mayasaf High Flow Cat is used for overall length and has a direct fit design. The Manufacturer says: At the same time, we are constantly improving our products and expecting them to be of perfect quality. The listed product has not been registered with carb nor received an EO number. Above all, the Mayasaf highflow Cat is an auto parts manufacturer and seller in the US that offers a wide range of replacement auto parts.Consequently, customers were very happy to recommend it to friends and families.Why We Like This:
- 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.
- Delivers what they promise.
Best For Oxygen Sensor Location: Magnaflow Exhaust Products High Flow Cat
Buy on Amazon For a low asking price, Magnaflow Exhaust Products High Flow Cat have managed to overwhelm their customers by packing as many features as they could. The magnaflow exhaust products high flowcat works great, is very nice and it is made for perfect fitment. Make sure this fits by entering your model number. In addition, it is suitable for body width and it is ceramic. The 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. Finally, the magnaflow exhaust products high flow 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.Most buyers agree that the cat is made from strong materials. Moreover, a few say 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.Why We Like This:
- This is highly recommended and also allows for greater thermal efficiency.
- Lot of satisfied buyers.
Best For Maximum Efficiency: Makuang High Flow Cat
Buy on Amazon The Makuang High Flow Cat is specially designed for your daily purpose and has all the useful features. The makuang high flow cat is high corrosion and wear resistance. Make sure this fits by entering your model number. Further, this is used for overall length and it is built for maximum efficiency. The cat has a sensor port and it is ceramic. Above all, the makuang high flow cat can help to improve exhaust gas velocity, saving horsepower and torque.A few also found that the cat is n’t directional, so you can flip it around either way to have the sensor where you need it. Overall, for most customers, Makuang product was just what they wanted.Why We Like This:
- ✓ it is resistant to thermal shock and has a long service life.
- ✓ t409 stainless steel / ceramic - 400 cell core.
- ✓ 2.5" in / out, 11" length, 4" round mid diameter.