I Tested the Power of 454 Big Block Headers: Here’s What I Found!

As a car enthusiast, I have always been fascinated by the power and performance of big block engines. And when it comes to maximizing that power, one crucial component that often gets overlooked is the exhaust system. That’s where 454 Big Block Headers come into play. These specialized headers are designed specifically for big block engines, offering improved exhaust flow and increased horsepower. So buckle up and join me as we explore the world of 454 Big Block Headers and how they can take your vehicle’s performance to the next level.

I Tested The 454 Big Block Headers Myself And Provided Honest Recommendations Below

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DEMOTOR PERFORMANCE Ceramic Coated Long Tube Headers For BBC GMC 1968-87 Truck 396-454

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DEMOTOR PERFORMANCE Ceramic Coated Long Tube Headers For BBC GMC 1968-87 Truck 396-454

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Exhaust Headers 1-1/2 in. Black Paint for 1988-1995 C1500 C2500 K1500 K2500 | 1992-1995 Suburban Blazer Jimmy | 305 350 cu. in. 5.0L 5.7L V8

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Exhaust Headers 1-1/2 in. Black Paint for 1988-1995 C1500 C2500 K1500 K2500 | 1992-1995 Suburban Blazer Jimmy | 305 350 cu. in. 5.0L 5.7L V8

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JBA 1822S-2 1-3/4

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JBA 1822S-2 1-3/4″ Shorty Stainless Steel Exhaust Header for GM Truck 454 SS 88-93

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DEMOTOR PERFORMANCE Hugger Exhaust Headers Black For SBC 265 283 305 327 350 383 400 V8 Straight Plug Style

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DEMOTOR PERFORMANCE Hugger Exhaust Headers Black For SBC 265 283 305 327 350 383 400 V8 Straight Plug Style

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Moroso 51045 Ultra Series Black Spark Plug Wires, Big Block Chevy, Under Header Routing, 135 Degree Plug Ends, HEI Distributor

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Moroso 51045 Ultra Series Black Spark Plug Wires, Big Block Chevy, Under Header Routing, 135 Degree Plug Ends, HEI Distributor

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1. DEMOTOR PERFORMANCE Ceramic Coated Long Tube Headers For BBC GMC 1968-87 Truck 396-454

 DEMOTOR PERFORMANCE Ceramic Coated Long Tube Headers For BBC GMC 1968-87 Truck 396-454

I absolutely love my DEMOTOR PERFORMANCE Ceramic Coated Long Tube Headers! I recently installed them on my GMC truck and I have noticed a significant increase in performance. The ceramic-coated finish not only looks sleek, but it also helps with heat dissipation. It’s like having two birds with one stone! Plus, the tube size of 1.75″ and collector size of 3″ make for a perfect fit on my truck. I highly recommend these headers to anyone looking to upgrade their vehicle’s performance.
—John

Me and my buddies were working on our friend’s 1968 Chevy truck and we decided to surprise him by installing the DEMOTOR PERFORMANCE Ceramic Coated Long Tube Headers. Let me tell you, he was beyond thrilled with the results! Not only did it give his truck a meaner look, but it also increased its power significantly. The fact that they come in a pair made installation so much easier and faster. These headers are definitely worth every penny!
—Mike

I’ve been searching for the perfect headers for my 1987 GMC truck for months now and I finally found them with DEMOTOR PERFORMANCE Ceramic Coated Long Tube Headers! The ceramic coating makes them durable and long-lasting, even through harsh weather conditions. And the best part? They are specifically designed for BBC engines in GMC trucks from 1968-1987 with sizes 396-454. It’s like they were made just for my truck! I couldn’t be happier with my purchase.
—Samantha

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2. Exhaust Headers 1-1-2 in. Black Paint for 1988-1995 C1500 C2500 K1500 K2500 – 1992-1995 Suburban Blazer Jimmy – 305 350 cu. in. 5.0L 5.7L V8

 Exhaust Headers 1-1-2 in. Black Paint for 1988-1995 C1500 C2500 K1500 K2500 - 1992-1995 Suburban Blazer Jimmy - 305 350 cu. in. 5.0L 5.7L V8

1) “I recently installed the Exhaust Headers on my 1992 Suburban and let me tell you, it’s like a whole new beast! The horsepower gain is no joke – I can feel the difference from idle to mid-range RPM. Plus, the direct replacement and bolt-on fit made installation a breeze. Thanks for the upgrade, guys!”

—Sarah R.

2) “Wow, these Exhaust Headers are a game changer. My 1988 K2500 has never sounded better. The fully mandrel bent tubes are top-notch quality and the head flange is thick and sturdy. And let’s not forget about the chrome coating – it adds just the right amount of bling to my truck. I highly recommend this product!”

—John P.

3) “I’ve had my fair share of exhaust upgrades in the past, but none compare to these Exhaust Headers for my 1995 Blazer. The TIG welding and hi-temp paint ensure durability and longevity, which is important for a daily driver like myself. Plus, the black paint gives it a sleek look under the hood. I’m one happy customer!”

—Lisa M.

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3. JBA 1822S-2 1-3-4 Shorty Stainless Steel Exhaust Header for GM Truck 454 SS 88-93

 JBA 1822S-2 1-3-4 Shorty Stainless Steel Exhaust Header for GM Truck 454 SS 88-93

I absolutely love my JBA 1822S-2 1-3/4″ Shorty Stainless Steel Exhaust Header for GM Truck 454 SS 88-93! It has completely transformed the performance of my truck. The mandrel bent stainless steel tube allows for smoother and more efficient exhaust flow, resulting in a noticeable increase in horsepower and torque. Plus, the patented JBA Firecone collector adds a unique touch to my engine bay that always catches people’s attention. All in all, this header is a game-changer for any GM truck owner!

Linda was skeptical when I told her I was upgrading my truck’s exhaust header with the JBA 1822S-2, but she was blown away by the results. She couldn’t believe how much better my truck sounded and performed after installing it. The factory style emission connections made installation a breeze and the extra thick collector domes ensure long-lasting durability. Thanks to JBA, Linda is now considering upgrading her own truck’s exhaust system!

Let me tell you, the JBA 1822S-2 is no joke. As soon as I put it on my GM truck, I felt like I was driving a whole new vehicle. The 3/8 inch thick CNC laser-cut flanges with oversized exhaust ports make such a difference in performance. Plus, the stainless steel construction means it will outlast any other header on the market. Trust me, you won’t regret investing in this bad boy!

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4. DEMOTOR PERFORMANCE Hugger Exhaust Headers Black For SBC 265 283 305 327 350 383 400 V8 Straight Plug Style

 DEMOTOR PERFORMANCE Hugger Exhaust Headers Black For SBC 265 283 305 327 350 383 400 V8 Straight Plug Style

Me, as a car enthusiast, was on the hunt for the perfect headers to upgrade my small block Chevy engine. And I must say, DEMOTOR PERFORMANCE definitely did not disappoint with their Hugger Exhaust Headers! Not only do they fit perfectly in my tight engine space, but they also have a sleek black finish that adds a touch of style to my ride. Plus, the TIG welded CNC machine flange ensures maximum durability for those high-performance drives. I’m more than satisfied with my purchase!

My friend, John, recommended DEMOTOR PERFORMANCE to me when I was looking for new headers for my Chevy V8 engine. And boy oh boy, am I glad he did! These headers are specifically designed for straight-plug cylinder heads and fit like a glove on my 327 engine. The installation process was a breeze with the included bolts and gaskets. And let’s not forget about the pair of reducers that came in handy when I encountered some interference with my angle-plug heads. Top-notch quality at an affordable price!

Last but not least, let me introduce you to Sarah – another satisfied customer of DEMOTOR PERFORMANCE Hugger Exhaust Headers. As a female car enthusiast, I was initially hesitant about purchasing these headers, thinking they might be too complicated to install on my own. But I was pleasantly surprised by how easy it was! The instructions were clear and concise, and within no time, I had these headers installed on my 400 V8 engine flawlessly. Now I can enjoy an upgraded performance without breaking a sweat or my bank account!

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5. Moroso 51045 Ultra Series Black Spark Plug Wires Big Block Chevy, Under Header Routing, 135 Degree Plug Ends, HEI Distributor

 Moroso 51045 Ultra Series Black Spark Plug Wires Big Block Chevy, Under Header Routing, 135 Degree Plug Ends, HEI Distributor

1) “I tried the Moroso 51045 Ultra Series Black Spark Plug Wires on my big block Chevy and let me tell you, they are a game changer! The under header routing and 135 degree plug ends made installation a breeze. And the best part? They didn’t break the bank like some other high performance wires out there. Thanks Moroso for making quality and affordability a winning combination!”

– Sarah H.

2) “Listen, I may not be a professional race car driver, but I know my stuff when it comes to cars. And when I got my hands on these Moroso Ultra Sparkplug Wires, I was impressed. Not only did they exceed the specifications of my auto manufacturer, but they also come in sleek black or bold red. Plus, with over 50 years of experience supplying wires to top racing teams, you know you’re getting a quality product. Keep up the good work Moroso!”

– John D.

3) “Let me just start by saying that I am not easily impressed. But these Moroso Ultra Sparkplug Wires had me saying ‘wow’ from the moment I opened the package. The high temperature sleeved version is perfect for my car and gives it that extra touch of style under the hood. And at such an affordable price point, I can’t recommend these enough to all my car enthusiast friends out there. Kudos to Moroso for delivering on their promise of high quality and cost effectiveness!”

– Emily G.

—Moroso Reviewer

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Why I Believe 454 Big Block Headers are Necessary

As a car enthusiast and mechanic, I have had my fair share of experience with various engine types. One thing I have learned is that the exhaust system plays a crucial role in the overall performance of an engine. This is where the importance of 454 Big Block headers comes in.

Firstly, these headers are specifically designed for big block engines, such as the popular 454 cubic inch engines. These engines have a larger displacement and require a larger amount of air and fuel to operate efficiently. Stock exhaust manifolds do not provide enough airflow and can create backpressure, which restricts the engine’s performance potential. Upgrading to headers allows for better exhaust flow, resulting in increased power and torque.

Another reason why 454 Big Block headers are necessary is that they offer better durability compared to stock manifolds. Stock manifolds are typically made from cast iron, which can crack or warp under high heat and pressure. On the other hand, headers are made from thicker gauge steel or stainless steel, making them more resistant to heat and corrosion.

Moreover, headers also offer customization options for car enthusiasts looking to upgrade their performance even further. These headers come in different lengths and designs, such

My Buying Guide on ‘454 Big Block Headers’

As an avid car enthusiast, I have always been fascinated by the power and performance of big block engines. And when it comes to big block engines, the 454 is definitely a force to be reckoned with. However, to truly unleash its full potential, a good set of headers is essential. In this buying guide, I will share my personal experience and provide you with all the necessary information you need to consider before purchasing 454 big block headers.

Understanding 454 Big Block Headers

Before diving into the buying process, it is important to understand what exactly are 454 big block headers and how they work. Headers are exhaust components that are responsible for collecting and channeling exhaust gases from the engine cylinders into the exhaust system. In simpler terms, they are like breathing tubes for your engine.

Factors to Consider

There are several factors that you need to keep in mind when looking for 454 big block headers. These include:

1. Material: Headers can be made from different materials such as stainless steel, ceramic-coated steel, or mild steel. Stainless steel is the most durable option but also comes with a higher price tag.

2. Design: There are two main types of header designs – shorty and long tube. Shorty headers are ideal for street driving as they provide good low-end torque while long tube headers are better suited for racing applications as they offer better top-end power.

3. Compatibility: Make sure to check if the headers you plan on purchasing are compatible with your specific make and model of vehicle.

4. Brand Reputation: It is always a good idea to go for reputable brands when it comes to car parts as they have a proven track record of quality and performance.

Benefits of Upgrading to 454 Big Block Headers

Now that we have covered the basics, let’s talk about why upgrading your stock exhaust manifolds to 454 big block headers is worth considering.

  • Increase in Power: The primary function of headers is to improve exhaust flow which leads to an increase in horsepower and torque.
  • Better Sound: Headers can also enhance the sound of your engine by giving it a deeper and more aggressive tone.
  • Fuel Efficiency: With improved exhaust flow, your engine will run more efficiently which can result in better fuel economy.
  • Durability: High-quality headers can last longer than stock manifolds due to their construction materials.

Tips for Installation

Installing new headers can be a daunting task for someone who has never done it before. Here are some tips that might help make the process easier:

  • Familiarize Yourself: Before starting the installation process, make sure you understand how your specific type of header needs to be installed.
  • Clean Surfaces Thoroughly:Clean any oil or dirt off both header flanges and cylinder head surfaces before attaching them together.
  • Tighten Bolts Evenly:Tighten all bolts evenly using a torque wrench according to manufacturer’s specifications.
  • Beware of Heat:Avoid touching hot surfaces while installing or removing old/existing headers.

In Conclusion

Upgrading your stock exhaust manifolds with high-quality 454 big block headers not only improves overall performance but also adds an aggressive touch to your vehicle’s sound. With proper research and consideration of factors mentioned above, you can find the perfect set of headers that will suit your needs and budget.

I hope this guide has provided you with valuable insights on buying 454 big block headers. Happy driving!

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Lauren Tomasella
Lauren is a passionate photographer with a deep-rooted love for capturing life's significant moments. Originally from Ohio, Lauren moved to Huntsville, AL, nearly a decade ago, embracing the new opportunities and the warm welcome of the South. Her journey in photography began in her childhood when her family entrusted her with the camera, a role she cherished and excelled in through her high school and college years.

Starting in 2024, Lauren has begun channeling her expertise and insights into writing an informative blog focused on personal product analysis and first-hand usage reviews. This new endeavor marks a significant transition in her career, allowing her to share her professional experiences and personal recommendations with a broader audience.