1. Exhaust System Kits On Sale
  2. sku: 6216197672643762
  3. FLOWMASTER 817574

FLOWMASTER 817574 Cat Dod Exit American Extreme Aggressi 700042026531 409S

fits model: Thunder.

817574 Flowmaster Cat-back System 409s - Dod Exit American Thunder Extreme Aggressi

( Brand: Flowmaster ), ( Part Type: Exit ), ( Manufacturer Part Number: 817574 ), ( Color: Black Muffler, Natural Tubing ), ( Item Length: 35.00 ), ( Fitment Type: Performance/custom ), ( UPC: 700042026531 )

Review FLOWMASTER Cat back System Dod Exit American Extreme Aggressi fits THUNDER

Introducing the Flowmaster 817574 Cat-Back Exhaust System with 409s Dod Exit American Thunder Extreme design. This high-performance exhaust system is specifically engineered to deliver an aggressive and thunderous sound while enhancing the performance of your vehicle.

The Cat-Back Exhaust System is a complete replacement for the stock exhaust system on your vehicle, starting from the catalytic converter and extending all the way to the rear bumper. This system is designed using premium 409 stainless steel, which not only provides superior strength and durability but also ensures a long-lasting finish that resists rust and corrosion.

The American Thunder Extreme design of this exhaust system is characterized by its large, high-performance mufflers that deliver an aggressive and deep exhaust note. The 409s Dod Exit design ensures that the exhaust tips are positioned at the rear bumper, adding to the overall aesthetics of the vehicle. The tips are also finished in a polished stainless steel, adding a touch of elegance to the aggressive design.

Flowmaster's patented muffler technology, known as the "Flowmaster Sound Wave Principle," is integrated into the design of this exhaust system. This technology ensures that the exhaust gases flow smoothly through the mufflers, creating a unique and powerful exhaust sound that sets your vehicle apart.

Installation of this Cat-Back Exhaust System is made easy with the use of bolt-on design, requiring no welding or drilling. The system also comes with all necessary hardware, making it a hassle-free installation process.

In conclusion, the Flowmaster 817574 Cat-Back Exhaust System with 409s Dod Exit American Thunder Extreme design is an excellent investment for any vehicle enthusiast looking to enhance the performance and aesthetics of their vehicle. With its premium stainless steel construction, aggressive design, and unique exhaust note, this system is sure to impress.

Pros and Cons of Buying Flowmaster 817574 Cat-Back Exhaust System (409s DOD Exit American Thunder Extreme Aggression)

The Flowmaster 817574 Cat-Back Exhaust System, also known as the 409s DOD Exit American Thunder Extreme Aggressiveness series, is a popular choice among car enthusiasts looking to enhance their vehicle's performance and sound. Let's explore the benefits and potential drawbacks of investing in this exhaust system.

Pros:

1. Enhanced Performance: The Flowmaster 817574 is designed to improve engine performance by reducing back pressure and increasing exhaust flow, resulting in better acceleration and increased horsepower.

2. Unique Sound: Known for its signature "Flowmaster Sound," this exhaust system offers an aggressive and deep tone that is highly sought after by many car enthusiasts.

3. Durability: Made from premium materials, such as mandrel-bent stainless steel tubing and high-quality mufflers, this exhaust system is built to last and withstand the rigors of daily driving.

4. Improved Fuel Efficiency: By reducing back pressure and improving exhaust flow, the Flowmaster 817574 can help improve fuel efficiency, saving you money on gas in the long run.

5. Easy Installation: This cat-back exhaust system is relatively easy to install for most DIY enthusiasts, with no major modifications required.

Cons:

1. Expensive: The Flowmaster 817574 is a premium exhaust system, and its cost may be a significant investment for some car owners.

2. Loud: The aggressive sound produced by this exhaust system may be too loud for some drivers, particularly those who live in residential areas or have sensitive neighbors.

3. Potential for Drone: At certain RPMs, the Flowmaster 817574 may produce a droning sound, which some car enthusiasts find unpleasant.

4. Requires Professional Installation: Although the installation process is relatively straightforward, some car owners may prefer to have a professional install the system to ensure a proper fit and optimal performance.

Conclusion:

Investing in the Flowmaster 817574 Cat-Back Exhaust System comes with its share of benefits and potential drawbacks. If you're an enthusiast looking for improved performance, a unique and aggressive sound, and the durability that comes with high-quality materials, this exhaust system might be worth the investment. However, if you're concerned about the cost, potential loudness, or droning sound, it may be wise to consider other options. Ultimately, the decision comes down to your personal preferences and priorities as a car owner.

Recommendation:

If you're considering purchasing the Flowmaster 817574 Cat-Back Exhaust System, I would recommend doing thorough research on the product, reading customer reviews, and weighing the pros and cons carefully. If possible, listen to recordings of the exhaust system in action to determine if the sound is to your liking. Additionally, consider consulting a professional mechanic for their expert opinion on the system's compatibility and potential benefits for your specific vehicle.

part # 817574 prices

  • $200.62-$921.95

specifications frazzlekits:

  • for models: Thunder
  • brand: Flowmaster
  • part type: Exit
  • manufacturer part number: 817574
  • color: Black Muffler, Natural Tubing
  • item length: 35.00
  • fitment type: Performance/custom
  • upc: 700042026531

offer frazzlekits:

  • availability: In Stock
  • started: July 28, 2025
  • sold: 0
  • options: Ship-to-home

payments frazzlekits:

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

seller frazzlekits:

  • rating: 98.5%
  • # reviews: 65723

returns frazzlekits:

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

shipping frazzlekits:

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

general frazzlekits:

  • condition: New
  • Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
for models: thunder, part type: exit, item length: 35.00, fitment type: performance/custom,
category: auto parts > car truck parts accessories > exhaust emission systems > exhaust system kits, color: black muffler natural tubing, sku: 6216197672643762,

Flowmaster 817574 Is Similar To:

frazzlekits logo
5 offers $200.62–$921.95 USD
  • Offer #1: $562.95 price + free delivery = $562.95* total. Flowmaster 86-04 Mustang American Thunder Cat-Back System - Dual Dump Exit.FREE SHIPPING
  • Offer #2: $921.95 price + free delivery = $921.95* total. Flowmaster 12-14 Focus Hb Force II Cat-Back System - Single Rear Exit.FREE SHIPPING
  • Offer #3: $200.62 price + free delivery = $200.62* total. Flowmaster 2018 Jeep Wrangler (JL) 3.6L 2/4dr American Thunder Axle Back Exhaust Kit.FREE SHIPPING
  • Offer #4: $322.95 price + free delivery = $322.95* total. Designed to be used with Side Inlet/Opposite Side Outlet mufflers such as part# 842548 (Super 44 Series) or 852558 (Super 50 Series) stainless steel mufflers. Flowmaster 815802 Prebent Tailpipes 2.50 in.FREE SHIPPING
  • Offer #5: $921.95 price + free delivery = $921.95* total. The system is constructed from 409 stainless steel and features large 4.00-inch polished stainless steel tips for a refined look. The Flowmaster American Thunder Axle-back exhaust system for the 2015-2017 Ford Mustang GT is perfect for the person looking for an aggressive sound level both inside and outside of the car, with all of the performance benefits that you would expect from Flowmaster.FREE SHIPPING