1. Exhaust System Kits On Sale
  2. sku: 5802012925693673
  3. FLOWMASTER 817707

FLOWMASTER 817707 Cat Sod Extreme Aggressive Sound 700042032402 409S

fits model: Outlaw.

817707 Flowmaster Cat-back System 409s - Sod Outlaw Extreme Aggressive Sound

( Brand: Flowmaster ), ( Manufacturer Part Number: 817707 ), ( Color: Black ), ( Item Length: 58.50 ), ( Fitment Type: Performance/custom ), ( UPC: 700042032402 )

Review FLOWMASTER Cat back System Sod Extreme Aggressive Sound fits OUTLAW

Introducing the Flowmaster 817707 Cat-Back 409S Outlaw Extreme Exhaust System, a high-performance aftermarket exhaust solution designed for those seeking an aggressive and distinctive sound for their vehicle. This Cat-Back system, which is part of Flowmaster's renowned 409S series, is engineered to deliver a powerful and unique exhaust note that sets it apart from stock systems.

The 817707 Cat-Back 409S Outlaw Extreme system is constructed from premium 409S stainless steel, ensuring durability and resistance to rust and corrosion. Its 4-inch diameter mandrel-bent tubing allows for unrestricted airflow, enhancing engine performance and fuel efficiency. With a straight-through design, this exhaust system ensures optimal exhaust gas velocity, further improving power output.

The 409S Outlaw Extreme exhaust system comes with a set of 409S mufflers, which are specifically engineered for maximum flow and minimum backpressure. These mufflers feature Flowmaster's signature "glasspack" design a series of internal packing material that creates a unique and distinctive exhaust tone. This sound is achieved through a combination of chambered designs and carefully engineered internal dimensions, resulting in an aggressive yet refined exhaust note.

This Cat-Back exhaust system is designed to be a direct replacement for your vehicle's stock exhaust system. It includes all necessary hardware for a bolt-on installation, making it easy and convenient for most users to install it themselves. Additionally, the system comes with a lifetime warranty on the 409S stainless steel components, ensuring peace of mind for the discerning customer.

In summary, the Flowmaster 817707 Cat-Back 409S Outlaw Extreme exhaust system offers a unique and aggressive exhaust note, improved engine performance, and enhanced fuel efficiency. Constructed from premium 409S stainless steel and featuring Flowmaster's signature "glasspack" mufflers, this system is a must-have for those seeking a high-performance exhaust upgrade with a distinct and powerful sound.

Flowmaster 817707 Cat-Back Exhaust System (409s Stainless Steel Outlaw Extreme) is a popular aftermarket exhaust system known for its aggressive sound and enhanced performance. Here are some pros and cons that might help you make an informed decision about purchasing this exhaust system:

Pros:

1. Increased Power and Performance: A cat-back exhaust system like the Flowmaster 817707 can help increase the flow of exhaust gases, which in turn can help improve engine performance and horsepower.

2. Aggressive Sound: The main selling point of the Flowmaster 817707 is its aggressive and distinctive sound. It is designed to provide a deep, rumbling exhaust note that is sure to turn heads.

3. Improved Fuel Efficiency: Some customers have reported improved fuel efficiency after installing this exhaust system. This is due to the improved flow of exhaust gases, which can help the engine run more efficiently.

4. Durability: The Flowmaster 817707 is made of high-quality stainless steel, making it durable and resistant to rust and corrosion.

5. Easy Installation: Many customers have reported that the installation process for this exhaust system is relatively straightforward and can be done in a few hours with some basic tools.

Cons:

1. Cost: The Flowmaster 817707 is a premium exhaust system, and the cost can be a significant investment for some customers.

2. Loudness: The aggressive sound of this exhaust system may not be to everyone's taste. It can be quite loud, especially during acceleration, which may not be suitable for those who prefer a quieter ride.

3. Drone: At cruising speeds, some customers have reported that they can hear a droning sound from the exhaust system. This can be annoying for some, but it is a common issue with aftermarket exhaust systems.

4. Backfiring: Some customers have reported experiencing backfiring or popping sounds from the exhaust system, especially during deceleration. This can be a safety concern and may require further investigation.

Conclusion:

The Flowmaster 817707 Cat-Back Exhaust System (409s Stainless Steel Outlaw Extreme) is a high-performance exhaust system that delivers an aggressive sound and improved performance. However, it comes with some drawbacks, such as cost, loudness, drone, and potential backfiring issues. If you are looking for a quieter exhaust system, this may not be the best choice for you. However, if you are looking for a powerful, aggressive-sounding exhaust system that can help improve your vehicle's performance, then the Flowmaster 817707 could be an excellent investment. It is essential to weigh the pros and cons carefully and consider your personal preferences and driving style before making a decision.

Recommendation:

If you are looking for a high-performance exhaust system that delivers an aggressive sound, the Flowmaster 817707 Cat-Back Exhaust System (409s Stainless Steel Outlaw Extreme) is an excellent choice. However, it is essential to note that it comes with some potential drawbacks, such as cost, loudness, drone, and potential backfiring issues. Before making a purchase, make sure to do your research and consider your personal preferences and driving style. It is also recommended to have the exhaust system installed by a professional to ensure proper installation and function.

part # 817707 prices

  • $299.99-$460.95

specifications frazzlekits:

  • for models: Outlaw
  • brand: Flowmaster
  • manufacturer part number: 817707
  • color: Black
  • item length: 58.50
  • fitment type: Performance/custom
  • upc: 700042032402

payments frazzlekits:

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

shipping frazzlekits:

  • type: Fixed
  • service: Standard
  • cost: $0.00
  • class: Standard
  • transit: 4-7 Days

seller frazzlekits:

  • # reviews: 65597
  • rating: 98.5%

offer frazzlekits:

  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: July 10, 2025
  • quantity: 1

returns frazzlekits:

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

general frazzlekits:

  • condition: New
  • Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
for models: outlaw, item length: 58.50, fitment type: performance/custom,
category: auto parts > car truck parts accessories > exhaust emission systems > exhaust system kits, color: black, sku: 5802012925693673,

Flowmaster 817707 Is Similar To:

frazzlekits logo
5 offers $299.99–$460.95 USD
  • Offer #1: $299.99 price + free delivery = $299.99* total. These are brand new in the box.FREE SHIPPING
  • Offer #2: $460.95 price + free delivery = $460.95* total. Constructed with durable stainless steel and uses the factory hanger locations, so installation is a breeze. 2009-2014 Ford F-150 trucks with 3.5L, 4.6L, 5.0L and 5.4L engines.FREE SHIPPING
  • Offer #3: $460.95 price + free delivery = $460.95* total. PART NUMBER.FREE SHIPPING
  • Offer #4: $460.95 price + $28.99 delivery = $489.94* total. Manufacturer Part Number: MPN.+$28.99 shipping
  • Offer #5: $320.22 price + free delivery = $320.22* total. Stainless Steel Construction. Race Proven Outlaw Muffler Technology.FREE SHIPPING