FLOWMASTER 817428 American Cat Exhaust 700042024315

( Brand: Flowmaster ), ( Type: Cat-back ), ( Material: 409 Stainless Steel ), ( Country Of Origin: Us ), ( C.a.r.b. Eo : D-802-13 / D-802-5 ), ( UPC: 700042024315 ), ( Manufacturer Part Number: 817428 ), ( California Prop 65 Warning: Nickel )

Review FLOWMASTER American Cat back Exhaust System fits THUNDER

The Flowmaster American Thunder 817428 Cat-Back Exhaust System is a high-performance aftermarket exhaust solution designed to enhance the sound and performance of your vehicle. This system is engineered specifically for select Ford, Mustang, and Lincoln models with a catalytic converter located in the front of the vehicle.

The American Thunder exhaust system is known for its signature deep, rumbling exhaust note, a sound that is a favorite among muscle car enthusiasts. This is achieved through Flowmaster's use of a unique series of chambered mufflers, which provide a perfect balance between volume and backpressure. The mufflers are constructed from 16-gauge type 304 stainless steel, ensuring durability and resistance to corrosion.

This cat-back exhaust system features polished 304 stainless steel tips, which not only add a stylish touch to your vehicle but also provide excellent durability. The system includes all necessary hardware and clamps for easy installation, making it a great choice for the DIY enthusiast or for those who prefer to have their vehicle serviced by a professional.

The American Thunder exhaust system is designed to provide significant performance gains, with increased horsepower and torque being some of the most noticeable improvements. The system's free-flowing design allows for improved exhaust gas flow, which in turn leads to more efficient combustion and increased power output. The system also features a mandrel-bent design, ensuring a smooth and even exhaust flow for optimal performance.

The Flowmaster American Thunder 817428 Cat-Back Exhaust System is a high-quality, high-performance exhaust solution that is sure to please any muscle car enthusiast. With its deep, rumbling exhaust note, stylish polished tips, and significant performance gains, this exhaust system is a must-have for anyone looking to enhance the sound and power of their Ford, Mustang, or Lincoln vehicle.

Flowmaster American Thunder Cat-Back Exhaust: A Detailed Analysis

The Flowmaster American Thunder cat-back exhaust is a popular aftermarket option for those seeking to enhance the performance and sound of their vehicles. In this analysis, we will discuss the key pros and cons of investing in this exhaust system.

1. Enhanced Performance: The Flowmaster American Thunder cat-back exhaust system is designed to improve the overall performance of your vehicle. It allows for better exhaust flow, which results in increased horsepower and torque.

2. Distinctive Sound: This exhaust system is renowned for its unique and powerful sound. The 409S mufflers used in this system provide a deep, rumbling exhaust note that is sure to turn heads.

3. Durability: Flowmaster exhaust systems are known for their high-quality materials and robust construction. The American Thunder cat-back exhaust is no exception, as it is made from premium stainless steel and features mandrel-bent tubing for maximum strength and flexibility.

4. Easy Installation: The cat-back exhaust is a bolt-on installation, which means that you can typically complete the installation process in a few hours without the need for professional assistance.

5. Improved Fuel Efficiency: By reducing backpressure and improving exhaust flow, the Flowmaster American Thunder cat-back exhaust can help improve your vehicle's fuel efficiency.

1. High Cost: Compared to other aftermarket exhaust systems, the Flowmaster American Thunder cat-back exhaust can be quite expensive. This may be a significant deterrent for some potential buyers.

2. Loud Exhaust Note: Although the distinctive sound is a pro for some, it may be considered a con for others. The American Thunder exhaust system is quite loud, which can be bothersome to some drivers and may not be suitable for those who prioritize a quieter ride.

3. Potential Drone: At certain RPMs, some users have reported experiencing a droning noise from the exhaust system. This can be irritating and detract from the overall driving experience.

4. Required Modifications: To achieve the maximum performance benefits, some modifications may be required, such as removing the catalytic converters (depending on local laws and regulations).

The Flowmaster American Thunder cat-back exhaust is an excellent choice for those looking to enhance the performance and sound of their vehicle. Its unique exhaust note, durability, and potential fuel efficiency improvements make it a popular aftermarket option. However, its high cost, loud exhaust note, and potential droning noise may be deterrents for some buyers. Ultimately, whether or not the Flowmaster American Thunder cat-back exhaust is the right choice for you depends on your personal preferences, driving style, and budget.

If you are considering purchasing the Flowmaster American Thunder cat-back exhaust, make sure to do your research and carefully weigh the pros and cons. Consider your budget, driving style, and personal preferences to determine if the benefits of this exhaust system outweigh the potential drawbacks. If you are looking for a quieter exhaust system or prefer a more subtle exhaust note, there may be other options that better suit your needs.

part # 817428 prices

• $599.99-$1412.99

specifications frazzlekits:

• for models: Thunder
• brand: Flowmaster
• type: Cat-back
• material: 409 Stainless Steel
• country of origin: Us
• c.a.r.b. eo : D-802-13 / D-802-5
• upc: 700042024315
• manufacturer part number: 817428
• california prop 65 warning: Nickel

general frazzlekits:

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

seller frazzlekits:

• # reviews: 11639
• rating: 99.5%

returns frazzlekits:

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

shipping frazzlekits:

• cost: $0.00
• type: Fixed
• service: UPS Ground
• carrier: UPS
• class: Standard
• transit: 3-6 Days

offer frazzlekits:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: March 22, 2026
• sold: 0

payments frazzlekits:

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

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