FLOWMASTER 817853 American Cat Exhaust 700042039012

( Brand: Flowmaster ), ( Type: Cat-back ), ( Material: 409 Stainless Steel ), ( Finish: Natural ), ( UPC: 700042039012 ), ( Manufacturer Part Number: 817853 ), ( California Prop 65 Warning: Nickel )

Review FLOWMASTER American Cat back Exhaust System fits THUNDER

The Flowmaster American Thunder 817853 Cat-Back Exhaust System is a high-performance aftermarket exhaust solution designed to enhance the sound and look of your vehicle while improving its overall performance. This system is specifically engineered for select Ford, Mustang, and Lincoln models, and is a direct replacement for the stock exhaust system.

The American Thunder Cat-Back Exhaust System features 409 stainless steel construction, ensuring durability and resistance to rust and corrosion. It is a 3-inch diameter system, which provides a more aggressive exhaust note and improved exhaust flow compared to the stock 2.5-inch diameter exhaust.

The system includes a high-flow muffler that utilizes Flowmaster's patented "Cannon" design, which provides a deep, rumbling exhaust note without excessive drone or decibel levels. The muffler features a polished stainless steel tip, which adds a stylish touch to the exhaust system.

The American Thunder Cat-Back Exhaust System also includes all necessary hardware for installation, including the required gaskets and bolts. The system is designed to be a bolt-on replacement, making the installation process relatively straightforward for most do-it-yourself enthusiasts.

In addition to the performance and styling benefits, the Flowmaster American Thunder Cat-Back Exhaust System can also result in improved engine performance. By reducing exhaust backpressure, the system allows the engine to breathe more easily, resulting in increased horsepower and torque output.

Overall, the Flowmaster American Thunder 817853 Cat-Back Exhaust System is an excellent choice for anyone looking to enhance the sound, look, and performance of their Ford, Mustang, or Lincoln vehicle. Its high-quality construction, aggressive exhaust note, and easy bolt-on installation make it a popular choice among performance enthusiasts.

Flowmaster American Thunder Cat-Back Exhaust: A Detailed Analysis

The Flowmaster American Thunder cat-back exhaust system is a popular aftermarket upgrade for those seeking improved performance and a more appealing exhaust note for their vehicles. This analysis aims to provide an unbiased evaluation of the product, outlining its key features, benefits, and potential drawbacks.

1. Flowmaster's patented muffler design, which includes a series of chambered internal passages, provides a deep, rich exhaust tone.

2. Made from 304 stainless steel for durability and corrosion resistance.

3. Direct-fit design for easy installation, requiring no modifications to the original exhaust system.

1. Enhanced exhaust flow results in increased horsepower and torque.

2. The distinctive exhaust note provides a more engaging driving experience.

3. Stainless steel construction guarantees longevity and resistance to rust.

1. The exhaust system can be quite loud, which may not be desirable for those seeking a discreet driving experience.

2. Installation may require professional assistance, adding to the overall cost.

3. Depending on the vehicle, the exhaust tips may not be a perfect fit, requiring some modification.

The Flowmaster American Thunder cat-back exhaust system is an excellent choice for those seeking an engaging driving experience and a more appealing exhaust note. Its durable construction ensures long-lasting performance, while the increased power output is a welcome bonus. However, potential buyers should be aware of the loud exhaust note and the potential need for professional installation.

If you are looking for a significant improvement in exhaust sound and performance for your vehicle, the Flowmaster American Thunder cat-back exhaust system is an excellent investment. However, it is essential to consider the potential drawbacks, such as the loud exhaust note and the need for professional installation, before making a purchase. Ultimately, the decision to buy this exhaust system depends on your personal preferences and driving style.

part # 817853 price

• $1229.95

specifications frazzlekits:

• for models: Thunder
• brand: Flowmaster
• type: Cat-back
• material: 409 Stainless Steel
• finish: Natural
• upc: 700042039012
• manufacturer part number: 817853
• california prop 65 warning: Nickel

offer frazzlekits:

• started: August 17, 2025
• quantity: 6
• options: Ship-to-home
• sold: 0
• availability: In Stock

general frazzlekits:

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

payments frazzlekits:

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

seller frazzlekits:

• # reviews: 15398
• rating: 98.9%

returns frazzlekits:

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

shipping frazzlekits:

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

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