FLOWMASTER 817513 Cat Single Exit American Moderate 700042025213 409S

( Brand: Flowmaster ), ( Part Type: Exit ), ( Manufacturer Part Number: 817513 ), ( Item Length: 65.25 ), ( Fitment Type: Performance/custom ), ( UPC: 700042025213 )

Review FLOWMASTER Cat back System Single Side Exit American Moderate fits THUNDER

Introducing the Flowmaster 817513 Cat-Back Exhaust System with American Thunder 409S Single Exit muffler - a high-performance aftermarket addition for your American muscle car. This exhaust system is specifically designed for those who crave an enhanced driving experience, characterized by increased power, a bold sound, and a distinctive appearance.

The heart of this system is the American Thunder 409S muffler. Its moderate flow design offers an ideal balance between power gains and sound levels. The 409S muffler features a single-outlet design, which not only provides a menacing look but also ensures optimal performance through its straight-through design.

Made from premium 16-gauge aluminized steel, this Flowmaster Cat-Back Exhaust System is built to withstand the rigors of daily driving and the demands of high-performance applications. The system's mandrel-bent tubing ensures proper exhaust flow, maximizing the potential of your engine.

The 817513 kit includes all necessary components for a seamless installation process. These include the catalytic converter, center section, muffler, and tailpipe. The system is designed to work with the factory tips, but optional Flowmaster tips can be used for an even more aggressive look.

The Flowmaster 817513 Cat-Back Exhaust System with American Thunder 409S Single Exit muffler not only delivers a powerful and unique sound but also offers numerous benefits. It improves engine performance by reducing backpressure and increasing exhaust flow. Additionally, its high-quality construction ensures durability and longevity.

Upgrade your American muscle car with the Flowmaster 817513 Cat-Back Exhaust System and experience the difference that comes with enhanced power, improved sound, and an unmistakable presence on the road.

The Flowmaster 817513 Cat-Back 409s Single Exit American Thunder Moderate exhaust system is a popular aftermarket option for those looking to enhance the performance and sound of their American muscle cars. Here are some pros and cons of investing in this exhaust system:

1. Enhanced Performance: The Flowmaster 409s exhaust system is designed to improve the overall performance of your vehicle by reducing backpressure and increasing exhaust flow. This can lead to better acceleration, increased horsepower, and improved engine efficiency.

2. Unique Sound: The exhaust system is known for its distinctive sound, which is a result of the 409s' unique chambered design. This sound is often described as a deep, rumbling roar, which can be quite appealing to many car enthusiasts.

3. Durability: Flowmaster is a well-known brand in the aftermarket exhaust industry, and the 409s system is no exception. The system is made from high-quality stainless steel, which is rust-resistant and durable.

4. Easy Installation: The 409s exhaust system is relatively easy to install, especially if you're replacing an OEM system. The system comes with all the necessary hardware and instructions, making it a DIY-friendly option.

1. Cost: The Flowmaster 817513 Cat-Back 409s Single Exit American Thunder Moderate exhaust system can be quite expensive, especially when compared to other aftermarket exhaust options.

2. Loudness: The exhaust system is known for its loudness, which can be a pro or a con, depending on your personal preference. If you're looking for a quieter exhaust system, then this may not be the best option for you.

3. Fitment Issues: Some customers have reported fitment issues with the 409s exhaust system, especially when installing it on vehicles with aftermarket parts or modifications. It's essential to make sure that your vehicle is compatible with the system before making a purchase.

4. Drone: At certain RPMs, the exhaust system can produce a significant amount of drone, which can be quite noticeable inside the cabin. This can be a deal-breaker for some buyers, especially those who prioritize comfort over performance.

The Flowmaster 817513 Cat-Back 409s Single Exit American Thunder Moderate exhaust system is an excellent option for car enthusiasts looking to enhance the performance and sound of their American muscle cars. The system offers unique sound, enhanced performance, and durability, but it also comes with some cons, such as cost, loudness, fitment issues, and drone. Ultimately, whether or not this exhaust system is right for you depends on your personal preferences, budget, and vehicle compatibility.

If you're looking for a high-performance exhaust system with a unique sound, then the Flowmaster 817513 Cat-Back 409s Single Exit American Thunder Moderate exhaust system is definitely worth considering. However, it's essential to make sure that your vehicle is compatible with the system and that you're prepared for the additional cost and potential fitment issues. If you're looking for a quieter exhaust system or a more budget-friendly option, then there are other aftermarket exhaust systems that may be better suited to your needs.

part # 817513 prices

• $322.95-$921.95

specifications frazzlekits:

• for models: Thunder
• brand: Flowmaster
• part type: Exit
• manufacturer part number: 817513
• item length: 65.25
• fitment type: Performance/custom
• upc: 700042025213

seller frazzlekits:

• rating: 98.5%
• # reviews: 65344

offer frazzlekits:

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

returns frazzlekits:

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

shipping frazzlekits:

• transit: 3-7 Days
• cost: $0.00
• class: Standard
• type: Fixed
• service: Standard

general frazzlekits:

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

payments frazzlekits:

• credit card: Diners-club
• wallet: Google-pay
• other

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