FLOWMASTER 817481 American Cat Exhaust 700042023615

( Brand: Flowmaster ), ( Type: Cat-back ), ( Material: 409 Stainless Steel ), ( Finish: Natural ), ( UPC: 700042023615 ), ( Manufacturer Part Number: 817481 ), ( California Prop 65 Warning: Nickel )

Review FLOWMASTER American Cat back Exhaust System fits THUNDER

The Flowmaster American Thunder Cat-Back Exhaust System, model number 817481, is a high-performance aftermarket exhaust solution designed to enhance the sound and improve the overall performance of your vehicle. This system is engineered specifically for American muscle cars, providing an authentic and powerful exhaust note that is sure to turn heads.

The American Thunder Cat-Back Exhaust System is constructed from premium 409 stainless steel, ensuring durability and resistance to rust and corrosion. The system features a unique 18-inch long, 3-inch diameter muffler that delivers a deep and aggressive exhaust note without being overly loud. The muffler design utilizes Flowmaster's patented "Straight-Through" design, which maximizes exhaust flow for optimal performance.

The system also includes 3-inch diameter piping, which provides a substantial increase in exhaust flow compared to the stock system. This results in improved engine breathing and increased horsepower and torque output. The system is also designed to be a direct bolt-on replacement for the factory exhaust, making installation easy and straightforward.

One of the most notable features of the American Thunder Cat-Back Exhaust System is its distinctive exhaust note. The system is engineered to deliver a rich, deep tone that is both aggressive and powerful. The exhaust note is a result of the system's unique muffler design, which utilizes a combination of chambered and straight-through design elements to provide an optimal balance of sound and performance.

In summary, the Flowmaster American Thunder Cat-Back Exhaust System, model number 817481, is a high-performance aftermarket exhaust solution designed for American muscle cars. The system is constructed from premium 409 stainless steel and features a unique 18-inch long, 3-inch diameter muffler that delivers a deep and aggressive exhaust note. The system also includes 3-inch diameter piping for improved exhaust flow and increased performance. This system is a direct bolt-on replacement and is guaranteed to provide your vehicle with an authentic and powerful exhaust note that is sure to turn heads.

Flowmaster American Thunder cat-back exhaust is a popular aftermarket exhaust system known for its distinctive sound and performance enhancement. Here are some pros and cons to help you make an informed decision about purchasing this exhaust system.

1. Enhanced Performance: The Flowmaster American Thunder exhaust system provides a noticeable increase in engine performance. It allows the exhaust gases to flow more freely, resulting in improved horsepower and torque.

2. Distinctive Sound: The exhaust system is famous for its unique and aggressive sound. It provides a deep, rumbling exhaust note that is pleasing to many car enthusiasts.

3. Durability: Flowmaster exhaust systems are made from high-quality materials, including mandrel-bent stainless steel tubing and robust mufflers. This ensures that the system is durable and long-lasting.

4. Improved Fuel Economy: Some users report that the Flowmaster American Thunder exhaust system improves fuel economy by reducing backpressure and improving the efficiency of the exhaust system.

5. Easy Installation: The cat-back exhaust system is relatively easy to install, as it only requires the removal of the stock exhaust system. Most users are able to complete the installation in a few hours.

1. Cost: The Flowmaster American Thunder cat-back exhaust system can be quite expensive, especially when compared to stock exhaust systems.

2. Loud: The exhaust system is quite loud, which may not be suitable for all driving situations. It may also be a concern for those who live in neighborhoods with strict noise ordinances.

3. Drone: Some users report that the exhaust system can produce a droning sound at certain RPMs, which can be annoying.

4. Requires Professional Installation: While the installation process is relatively straightforward, some users may prefer to have the system installed by a professional to ensure that it is installed correctly and safely.

The Flowmaster American Thunder cat-back exhaust system offers several benefits, including improved performance, a distinctive sound, durability, and potential fuel economy improvements. However, it also comes with some drawbacks, such as cost, loudness, and the potential for droning. Ultimately, the decision to purchase this exhaust system depends on your personal preferences and priorities. If you value performance and sound, and are willing to pay the price, then the Flowmaster American Thunder exhaust system may be a good investment for you. However, if you prioritize quietness and fuel economy, or have a limited budget, then you may want to consider other options.

If you are considering purchasing the Flowmaster American Thunder cat-back exhaust system, I would recommend doing your research and reading reviews from other users to get a better understanding of the potential benefits and drawbacks. You may also want to consider visiting a local exhaust shop to hear the exhaust system in person and get a professional opinion on the installation process and any potential modifications that may be necessary for your specific vehicle. Finally, be sure to factor in the cost of the exhaust system, as well as any additional accessories or modifications you may want to make, when making your decision.

part # 817481 prices

• $749.95-$1599.95

specifications frazzlekits:

• for models: Thunder
• brand: Flowmaster
• type: Cat-back
• material: 409 Stainless Steel
• finish: Natural
• upc: 700042023615
• manufacturer part number: 817481
• california prop 65 warning: Nickel

seller frazzlekits:

• rating: 98.9%
• # reviews: 15322

shipping frazzlekits:

• type: Fixed
• carrier: UPS
• transit: 3-5 Days
• service: UPS Ground
• class: Standard
• cost: $0.00

offer frazzlekits:

• options: Ship-to-home
• started: August 3, 2025
• availability: In Stock
• sold: 0
• quantity: 10

payments frazzlekits:

• credit card: Visa
• wallet: Apple-pay
• other

general frazzlekits:

• condition: New
• Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits

returns frazzlekits:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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