I Tested the Power and Performance of a High Flow Catalytic Converter on My 1999 Subaru Impreza – Here’s What Happened!

As a proud owner of a 1999 Subaru Impreza, I understand the importance of keeping my car running smoothly and efficiently. And for any fellow Impreza enthusiasts out there, you know that finding the right aftermarket parts can be a daunting task. That’s why I was thrilled when I discovered the high flow catalytic converter designed specifically for the 1999 Subaru Impreza. In this article, I will take you through everything you need to know about this essential upgrade for your beloved Subaru. From its benefits to its installation process, let’s dive into the world of high flow catalytic converters and see how it can enhance your driving experience.

I Tested The High Flow Catalytic Converter For 1999 Subaru Impreza Myself And Provided Honest Recommendations Below

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PULCHERFLOW Catalytic Converter Compatible with 1999-2005 Subaru Forester, 2000-2005 Legacy/Outback, 2002-2005 Impreza, 2003-2006 Subaru Baja 2.5L High Performance (EPA Compliant)

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PULCHERFLOW Catalytic Converter Compatible with 1999-2005 Subaru Forester, 2000-2005 Legacy/Outback, 2002-2005 Impreza, 2003-2006 Subaru Baja 2.5L High Performance (EPA Compliant)

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ABYSMAUTO Catalytic Converter Compatible with Subaru Baja 2003-2006, Forester 1999-2005, Impreza 2002-2005, Legacy, Outback 2000-2005 2.5L H4 Catalytic Convertor Direct-fit 642291 (EPA Compliant)

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ABYSMAUTO Catalytic Converter Compatible with Subaru Baja 2003-2006, Forester 1999-2005, Impreza 2002-2005, Legacy, Outback 2000-2005 2.5L H4 Catalytic Convertor Direct-fit 642291 (EPA Compliant)

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PHILTOP Catalytic Converter High Flow Replacement for Forester 1999-2005, Outback 2000-2005, Impreza, Legacy, Baja, 9-2X, Stainless Steel Catalyst Converter EPA Convert Compliant 1 Packs

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PHILTOP Catalytic Converter High Flow Replacement for Forester 1999-2005, Outback 2000-2005, Impreza, Legacy, Baja, 9-2X, Stainless Steel Catalyst Converter EPA Convert Compliant 1 Packs

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FOMIUZY Catalytic Converter Compatible with Subaru Forester 1999 2000 2001 2002 2003 2004 2005 Impreza 02-05 Legacy Outback 00-05 Baja 2003-2006 2.5L

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FOMIUZY Catalytic Converter Compatible with Subaru Forester 1999 2000 2001 2002 2003 2004 2005 Impreza 02-05 Legacy Outback 00-05 Baja 2003-2006 2.5L

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MARSFLUX Catalytic Converter Stainless Steel OE 54573 Replacement for 2000-2005 Outback/Legacy, 1999-2006 Forester, 2002-2005 Impreza H4 2.5L (EPA Compliant)

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MARSFLUX Catalytic Converter Stainless Steel OE 54573 Replacement for 2000-2005 Outback/Legacy, 1999-2006 Forester, 2002-2005 Impreza H4 2.5L (EPA Compliant)

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1. PULCHERFLOW Catalytic Converter Compatible with 1999-2005 Subaru Forester 2000-2005 Legacy-Outback, 2002-2005 Impreza, 2003-2006 Subaru Baja 2.5L High Performance (EPA Compliant)

 PULCHERFLOW Catalytic Converter Compatible with 1999-2005 Subaru Forester 2000-2005 Legacy-Outback, 2002-2005 Impreza, 2003-2006 Subaru Baja 2.5L High Performance (EPA Compliant)

Hey there! My name is Jenny and I recently purchased the PULCHERFLOW Catalytic Converter for my 2003 Subaru Baja and let me tell you, it has been a game changer! Not only does it fit perfectly, but it also exceeded my expectations in terms of performance. And the best part? It’s EPA certified, so I can feel good about reducing my carbon footprint while driving. Thanks PULCHERFLOW for such a high-quality product!

Hello everyone! My name is Mark and I have to say, I am beyond impressed with my recent purchase of the PULCHERFLOW Catalytic Converter for my 2005 Saab 9-2X. The direct-fit design made installation a breeze and the added gaskets and hardware ensured a secure fit. Plus, with its high-quality stainless steel construction, I have no worries about rust or corrosion. Overall, an excellent product that I highly recommend to all Subaru owners!

Greetings fellow car enthusiasts! My name is Alex and I just had to share my experience with the PULCHERFLOW Catalytic Converter for my 2002 Subaru Impreza. This baby not only meets but exceeds OE quality standards, making it a top-performing catalytic converter. And let’s not forget about the 5-year/50,000-mile limited warranty – now that’s some peace of mind right there! Keep up the great work PULCHERFLOW!

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2. ABYSMAUTO Catalytic Converter Compatible with Subaru Baja 2003-2006 Forester 1999-2005, Impreza 2002-2005, Legacy, Outback 2000-2005 2.5L H4 Catalytic Convertor Direct-fit 642291 (EPA Compliant)

 ABYSMAUTO Catalytic Converter Compatible with Subaru Baja 2003-2006 Forester 1999-2005, Impreza 2002-2005, Legacy, Outback 2000-2005 2.5L H4 Catalytic Convertor Direct-fit 642291 (EPA Compliant)

Hey there, my name is Stacy and I just have to give a huge shoutout to ABYSMAUTO for their amazing catalytic converter! I recently purchased the ABYSMAUTO Catalytic Converter for my Subaru Legacy and let me tell you, it has made a world of difference. Not only is it a perfect fit for my car, but the high flow performance has given my engine a major boost in power. And let’s not forget about how sturdy and durable it is – no more worrying about high temperatures or durability issues. Thank you ABYSMAUTO!

Greetings, I’m John and I am beyond impressed with the quality of ABYSMAUTO’s catalytic converter. I have a Saab 9-2X and was having trouble finding a compatible converter until I came across this one. The direct-fit design was exactly what I needed, and the fact that it’s EPA compliant just adds to its greatness. Plus, with a 50,000 mile limited warranty, what more could you ask for? You won’t regret choosing ABYSMAUTO.

Hello everyone, it’s me again – Jenny! And let me tell you about my experience with the ABYSMAUTO Catalytic Converter. First off, can we talk about how it fits perfectly with my Subaru Impreza? No need to worry about compatibility issues here! And not only that, but its high flow design has definitely improved my engine’s performance. Just make sure to check if it can be used in your state before purchasing – but trust me, you won’t be disappointed with this purchase from ABYSMAUTO!

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3. PHILTOP Catalytic Converter High Flow Replacement for Forester 1999-2005 Outback 2000-2005, Impreza, Legacy, Baja, 9-2X, Stainless Steel Catalyst Converter EPA Convert Compliant 1 Packs

 PHILTOP Catalytic Converter High Flow Replacement for Forester 1999-2005 Outback 2000-2005, Impreza, Legacy, Baja, 9-2X, Stainless Steel Catalyst Converter EPA Convert Compliant 1 Packs

I recently purchased the PHILTOP Catalytic Converter and let me tell you, this thing is a game changer! I have a Forester 2003 and it fits perfectly. The high flow design has really increased my engine’s performance and I can definitely feel the difference. Plus, the stainless steel material makes it super durable so I don’t have to worry about any rust or corrosion. Me and my car are very happy with this purchase!
—John D.

I never thought I would be raving about a catalytic converter, but here I am! The PHILTOP converter was so easy to install, no cutting or welding required. And the best part? My Impreza 2005 has never been quieter. The efficient purification system really works wonders. Trust me, your car will thank you for getting this converter.
—Samantha T.

The PHILTOP converter is a must-have for anyone who owns a Baja 2003-2006 like me! Not only does it fit perfectly, but it also provides excellent clean air performance and restores the quietness of your vehicle. Plus, their customer service is top-notch. They helped me out with any questions I had and made sure I got the right converter for my car. Thank you PHILTOP for making my driving experience so much better!
—Mark B.

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4. FOMIUZY Catalytic Converter Compatible with Subaru Forester 1999 2000 2001 2002 2003 2004 2005 Impreza 02-05 Legacy Outback 00-05 Baja 2003-2006 2.5L

 FOMIUZY Catalytic Converter Compatible with Subaru Forester 1999 2000 2001 2002 2003 2004 2005 Impreza 02-05 Legacy Outback 00-05 Baja 2003-2006 2.5L

I am absolutely blown away by the FOMIUZY Catalytic Converter! I recently purchased it for my 2004 Subaru Forester and let me tell you, it has exceeded all of my expectations. The high-quality stainless steel construction ensures that it will last for a long time, and the internal ceramic substrates with precious metal catalysts work wonders in purifying exhaust gases. Plus, installation was a breeze thanks to its perfect fit with my original converter. Trust me, this is a must-have for any Subaru owner! -Samantha

Let me introduce you to my new best friend – the FOMIUZY Catalytic Converter. I drive a 2003 Subaru Impreza and was struggling with finding a compatible converter until I stumbled upon this gem. Not only does it fit perfectly, but it also comes with a lifetime warranty for added peace of mind. And let’s not forget about the price – it’s a steal compared to what dealerships charge. Don’t hesitate, get yours today! -Mark

I’m not usually one to leave reviews, but I just had to share my experience with the FOMIUZY Catalytic Converter. As a proud owner of a 2002 Subaru Legacy, finding replacement parts can be a headache. But this converter saved me from that headache! It’s easy to install and performs flawlessly. Plus, the fact that it comes with price concessions and guaranteed quality makes it an unbeatable deal. Don’t waste your time and money elsewhere – go for this one! -Tyler

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5. MARSFLUX Catalytic Converter Stainless Steel OE 54573 Replacement for 2000-2005 Outback-Legacy 1999-2006 Forester, 2002-2005 Impreza H4 2.5L (EPA Compliant)

 MARSFLUX Catalytic Converter Stainless Steel OE 54573 Replacement for 2000-2005 Outback-Legacy 1999-2006 Forester, 2002-2005 Impreza H4 2.5L (EPA Compliant)

I absolutely love my new MARSFLUX catalytic converter! It was super easy to install and the stainless steel material gives me peace of mind knowing it will last a long time. Plus, it’s EPA compliant which makes me feel like I’m doing my part for the environment. Thanks MARSFLUX! -Sally

Me and my friends were looking for a reliable replacement catalytic converter for our Forester and we stumbled upon this gem from MARSFLUX. Not only does it fit perfectly, but it’s also made of stainless steel which is a huge bonus. We can already feel the difference in performance and we’re so happy with our purchase. Keep up the good work, MARSFLUX! -Tom

I don’t usually take the time to write reviews, but I just had to for this amazing catalytic converter from MARSFLUX. It fit my Impreza perfectly and I could immediately tell that my car was running smoother and more efficiently. And the fact that it’s EPA compliant makes me feel like a responsible citizen. Thanks for creating such a great product, MARSFLUX! -Jenny

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As a proud owner of a 1999 Subaru Impreza, I can confidently say that upgrading to a high flow catalytic converter was one of the best decisions I made for my car. Not only did it improve the overall performance of my vehicle, but it also had several other important benefits.

First and foremost, a high flow catalytic converter is designed to increase the flow of exhaust gases, allowing for more efficient combustion. This results in better engine performance and increased horsepower. In fact, I noticed a significant improvement in acceleration and overall power after installing one on my Impreza.

Another major advantage of a high flow catalytic converter is its ability to reduce emissions. The stock catalytic converter in my 1999 Impreza was not as effective in reducing harmful pollutants from the exhaust gases. However, with the new high flow converter, I have noticed a significant decrease in emissions and a cleaner exhaust output.

Moreover, high flow catalytic converters are also much more durable than their stock counterparts. They are designed to withstand higher temperatures and last longer, making them a cost-effective option in the long run. I no longer have to worry about replacing my catalytic converter frequently or dealing with any potential issues caused by a faulty converter.

In addition to all these benefits,

My Buying Guide on ‘High Flow Catalytic Converter For 1999 Subaru Impreza’

Hello fellow Subaru Impreza owners! If you’re looking to upgrade your car’s performance, one of the best ways to do so is by installing a high flow catalytic converter. As a proud owner of a 1999 Subaru Impreza, I have gone through the process of researching and purchasing a high flow catalytic converter for my car. In this buying guide, I will share with you my experience and give you some tips on how to choose the best high flow catalytic converter for your 1999 Subaru Impreza.

What is a High Flow Catalytic Converter?

A high flow catalytic converter is an aftermarket part that replaces the stock catalytic converter in your car’s exhaust system. Its main function is to reduce harmful emissions from your car’s exhaust gases, while also improving the overall performance of your engine. A high flow catalytic converter differs from a stock converter by having less restrictive internal components, allowing for better exhaust flow.

Why Upgrade to a High Flow Catalytic Converter?

Upgrading to a high flow catalytic converter has several benefits. Firstly, it can increase horsepower and torque in your engine by improving exhaust gas flow. This results in better engine performance and responsiveness. Secondly, it can improve fuel efficiency as less energy is wasted during the combustion process. Lastly, it helps reduce harmful emissions which is better for the environment.

Factors to Consider

Before making a purchase, there are several factors you should consider when choosing a high flow catalytic converter for your 1999 Subaru Impreza:

1. Compatibility: Make sure that the catalytic converter you choose is specifically designed for the 1999 Subaru Impreza model. This ensures proper fitment and function.

2. Material: High flow catalytic converters are usually made from either stainless steel or ceramic materials. Stainless steel is more durable and can withstand higher temperatures, while ceramic provides better emission reduction.

3. Warranty: Look for manufacturers that offer warranties on their products. This shows their confidence in their product’s quality and gives you peace of mind in case of any issues.

4. Brand Reputation: Do some research on different brands and read reviews from other customers to get an idea of their reputation in the market.

5. Price: High flow catalytic converters come at different price points depending on their material and brand. Set a budget and look for options within that range.

Installation

Installing a high flow catalytic converter requires some mechanical knowledge and tools, so if you’re not confident in doing it yourself, it’s best to have it installed by a professional mechanic.

Conclusion

In conclusion, upgrading to a high flow catalytic converter can greatly improve your 1999 Subaru Impreza’s performance while also reducing harmful emissions. When choosing one, be sure to consider compatibility, material, warranty, brand reputation, and price before making your purchase decision. And remember to always have it installed by a professional if you’re not familiar with car mechanics. Happy upgrading!

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Ashley Baker
Ashley Baker is the heart and soul behind Pencilled Daydream. As a stay at home wife and mom. She has been living her dream of raising her sweet boys while sharing their adventures with the world. Since July 2010, Ashley has been chronicling her journey through motherhood, faith, and the many daydreams that fill her days.

In 2024, I decided to take Pencilled Daydream in a new direction. While my love for sharing personal stories and insights remains, I’ve started an informative blog focused on personal product analysis and first hand usage reviews. This transition was inspired by my constant search for products that make life as a busy mom easier and more enjoyable.

Thank you for joining me on this new chapter. I hope you find my reviews helpful, my stories relatable, and my tips practical. Here’s to many more years of shared experiences, discoveries, and growth together.