FLOWMASTER 817397 American Cat Exhaust 700042024421

( Brand: Flowmaster ), ( Type: Cat-back ), ( Material: 409 Stainless Steel ), ( Finish: Natural ), ( UPC: 700042024421 ), ( Manufacturer Part Number: 817397 ), ( California Prop 65 Warning: Nickel )

Review FLOWMASTER American Cat back Exhaust System fits THUNDER

The Flowmaster American Thunder Cat-Back Exhaust System, model number 817397, is a high-performance aftermarket exhaust solution designed specifically for late-model American muscle cars. This system is engineered to deliver an impressive increase in power and torque, as well as a unique and distinctive exhaust note.

The American Thunder Cat-Back Exhaust System is made from premium 409 stainless steel, ensuring durability and resistance to corrosion. Each component is meticulously crafted using advanced manufacturing techniques to ensure a perfect fit and finish. The system includes high-flow mufflers that utilize Flowmaster's famous "glasspack" design, which provides a deep, resonant exhaust tone.

One of the key benefits of this exhaust system is the significant increase in power and torque it delivers. By reducing backpressure and optimizing exhaust flow, the American Thunder Cat-Back Exhaust System allows the engine to breathe more freely, resulting in improved performance. In fact, some users have reported gains of up to 10 horsepower and 15 lb-ft of torque.

Another advantage of this system is the improved sound quality. The glasspack mufflers help to reduce exhaust drone while amplifying the exhaust note, giving your vehicle a more aggressive and distinctive sound. This is especially noticeable during acceleration and when pushing the engine harder.

Installation of the Flowmaster American Thunder Cat-Back Exhaust System is relatively straightforward, with most installations taking just a few hours. The system comes with all necessary hardware and instructions, making it easy for even the most novice of DIY enthusiasts to install.

Overall, the Flowmaster American Thunder Cat-Back Exhaust System is an excellent choice for anyone looking to enhance the performance and sound of their late-model American muscle car. With its durable construction, impressive power gains, and distinct exhaust note, this system is sure to please even the most discerning of enthusiasts.

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

1. Unique Sound: The Flowmaster American Thunder exhaust system is renowned for its distinctive deep, rumbling exhaust note. This sound is achieved through the use of Flowmaster's patented "Red Max" muffler design, which provides excellent noise reduction without compromising the exhaust flow.

2. Performance Enhancement: The cat-back exhaust system can help improve engine performance by reducing backpressure and allowing better exhaust gases flow. This results in increased horsepower and torque, leading to better acceleration and overall driving experience.

3. Durability: Flowmaster exhaust systems are made from high-quality materials, such as stainless steel, to ensure long-lasting performance. The exhaust tips are also made from polished stainless steel, adding to the aesthetic appeal of the vehicle.

4. Easy Installation: The cat-back exhaust system is relatively easy to install, as it only requires the removal and replacement of the stock exhaust system. This makes it a popular choice for those who prefer a DIY project or want to save on installation costs.

1. Cost: The Flowmaster American Thunder cat-back exhaust system can be quite expensive, especially when compared to stock exhaust systems or other aftermarket options. This may be a deterrent for some buyers, particularly those on a budget.

2. Loudness: The exhaust system's deep, rumbling sound may be too loud for some people, especially those who prefer a quieter driving experience. This could be a concern for those who live in areas with strict noise regulations or those who want to maintain a low profile.

3. Fitment: While the Flowmaster American Thunder cat-back exhaust system is designed to fit a wide range of vehicles, there may be some fitment issues for certain makes and models. It's important to ensure that the system is compatible with your specific vehicle before making a purchase.

In conclusion, the Flowmaster American Thunder cat-back exhaust system offers a unique sound and performance enhancement for those who want to enhance the driving experience of their vehicle. However, it comes with a high price tag and potential fitment issues that may deter some buyers. Ultimately, the decision to purchase this exhaust system depends on your personal preferences, budget, and vehicle compatibility.

If you're looking for a high-performance exhaust system with a distinctive sound, the Flowmaster American Thunder cat-back exhaust system may be worth considering. However, if you're on a tight budget, prioritize a quieter driving experience, or have concerns about fitment, there may be other aftermarket exhaust options that better suit your needs.

Recommendation: If you're considering purchasing the Flowmaster American Thunder cat-back exhaust system, I would recommend doing thorough research on the specific system for your vehicle make and model. This includes checking for fitment compatibility, reading reviews from other buyers, and comparing prices from various retailers to ensure you're getting the best deal. Additionally, consider weighing the pros and cons carefully to determine if the benefits of the system outweigh the potential drawbacks for your specific situation.

part # 817397 price

• $967.95

specifications frazzlekits:

• for models: Thunder
• brand: Flowmaster
• type: Cat-back
• material: 409 Stainless Steel
• finish: Natural
• upc: 700042024421
• manufacturer part number: 817397
• california prop 65 warning: Nickel

payments frazzlekits:

• credit card: Discover
• other
• wallet: Google-pay

offer frazzlekits:

• sold: 0
• quantity: 4
• options: Ship-to-home
• availability: In Stock
• started: January 3, 2026

shipping frazzlekits:

• cost: $0.00
• carrier: UPS
• service: UPS Ground
• type: Fixed
• class: Standard
• transit: 4-9 Days

general frazzlekits:

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

seller frazzlekits:

• rating: 99.4%
• # reviews: 18573

returns frazzlekits:

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

Flowmaster 817397 Is Similar To:

• Flowmaster 817958 Outlaw Extreme Cat-back Exhaust 2020-2022 Jeep Gladiator 3.6l (54% similar) $435.95. (August 26th, 2024)
• Flowmaster 817732 Outlaw Axle Back Exhaust - Mustang Gt 15-17 Good Condition (49.3% similar) $599.95. (August 29th, 2024)
• Flowmaster 717992 Used Exhaust System Kit-flowmaster Flowfx Axle Back Fits 16-22 Camaro 3.6l-v6 (41.8% similar) $562.95. (September 13th, 2024)
• Flowmaster 817850 American Thunder Axle-back Exhaust (81.8% similar) $425.95. (September 16th, 2024)
• Flowmaster 817806 Ford Mustang Gt Outlaw Axle-back Exhaust System Great Shape (59.3% similar) $289.99–$1080.58. (September 25th, 2024)
• Flowmaster Fm817750 15 Mustang Ecoboost/5.0 American Thunder Resonator-back Exhaust Syst (72.6% similar) $559.95–$972.95. (September 26th, 2024)
• Flowmaster 817592 Exhaust System Kit-outlaw Series Tm Axle Back Fits 13-14 Mustang (42.9% similar) $699.95. (October 11th, 2024)
• Flowmaster 717929 2014 Chevrolet Stainless Dual Fx Exhaust Cat Back (46.4% similar) $716.95. (October 11th, 2024)
• Flowmaster 17421 American Thunder Axle Back Exhaust System For 05-09 Mustang V6 (71.5% similar) $460.95. (October 19th, 2024)
• Flowmaster 817823 Used Kit-outlaw Series Tm Axle Back #817823 Fits 15-23 Mustang (42% similar) $921.95. (October 23rd, 2024)
• Flowmaster 817756 Outlaw Exhaust System Fits 15-20 Ford F150 Ecoboost 2.7 3.5 - (49.6% similar) $1024.95. (November 6th, 2024)