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  3. FLOWMASTER 817158

FLOWMASTER 817158 American Exhaust 700042025626

fits model: Thunder.

817158 Flowmaster American Thunder Exhaust System

( Brand: Flowmaster ), ( Type: Exhaust Gt; Exhaust Kits And Systems ), ( UPC: 700042025626 ), ( Manufacturer Part Number: 817158 )

Review FLOWMASTER American Exhaust System fits THUNDER

The Flowmaster American Thunder Exhaust System, model number 817158, is a high-performance aftermarket exhaust solution designed to enhance the power and sound of your vehicle. This system is engineered for select Ford, Mustang, and Lincoln applications, and it is known for delivering an aggressive and unmistakable exhaust note.

The American Thunder exhaust system is constructed from premium 409 stainless steel, ensuring durability and resistance to rust and corrosion. The system features a mandrel-bent design, which maintains consistent pipe diameter throughout, allowing for maximum flow and reduced exhaust restriction. This results in improved engine performance, increased horsepower, and torque.

The system comes with a high-flow muffler that provides an ideal balance between sound and performance. The muffler features a unique internal design that reduces backpressure and maximizes exhaust flow, allowing the exhaust gases to exit the system more efficiently. The result is a powerful and distinctive exhaust note that is sure to turn heads.

The American Thunder exhaust system is designed to be a direct replacement for your vehicle's stock exhaust system, making installation easy and straightforward. The system includes all necessary hardware, such as bolts, nuts, and gaskets, for a hassle-free installation process. Additionally, the system comes with a lifetime warranty on the muffler and a 15,000-mile warranty on the catalytic converter, ensuring peace of mind for the vehicle's owner.

In summary, the Flowmaster American Thunder Exhaust System, model number 817158, is a high-quality aftermarket exhaust solution that delivers improved engine performance, increased horsepower, and torque, along with a distinctive exhaust note. Constructed from premium stainless steel and featuring a mandrel-bent design, this system is built to last and is backed by a strong warranty. If you're looking to give your vehicle a power and sound upgrade, the American Thunder exhaust system is an excellent choice.

Pros and Cons of Buying a Flowmaster American Thunder Exhaust System (817158)

The Flowmaster American Thunder Exhaust System (817158) is a popular aftermarket exhaust option for those looking to enhance the performance and sound of their vehicles. Like any other purchase, it is essential to consider both the advantages and disadvantages before making a decision.

Pros:

1. Performance: The Flowmaster American Thunder Exhaust System is designed to improve engine performance by reducing backpressure, allowing the engine to breathe more freely. This results in increased horsepower and torque, leading to better acceleration and overall power.

2. Sound: The system is renowned for its distinctive deep, thunderous sound. The 409S stainless steel mufflers feature Flowmaster's patented "V-band" design, which provides a straight-through flow and minimal restriction, contributing to the unique sound.

3. Durability: The system is made from 409S stainless steel, which is known for its strength and resistance to corrosion. This ensures longevity and durability, making it a worthwhile investment for those seeking a long-lasting exhaust solution.

4. Fitment: The Flowmaster American Thunder Exhaust System comes with a wide range of applications, ensuring it is compatible with various makes and models. This makes it a versatile choice for vehicle owners.

Cons:

1. Cost: The Flowmaster American Thunder Exhaust System can be quite expensive compared to other aftermarket exhaust options. This may deter some buyers, especially those on a tight budget.

2. Installation: Installing the system can be a complex process, requiring professional expertise. While some enthusiasts may choose to install it themselves, the intricacies of the design and the specialized tools required can make it a daunting task.

3. Noise: The system is known for its loud and distinctive sound, which some may find excessive or unwanted. This could potentially lead to noise complaints, especially in residential areas.

4. Resonance: While the system offers a deep, throaty exhaust note, it may not be suitable for those who prefer a more refined or subdued exhaust sound.

Conclusion:

The Flowmaster American Thunder Exhaust System (817158) offers several advantages, including improved performance, a distinctive sound, durability, and versatility. However, it also comes with disadvantages, such as high cost, complexity of installation, excessive noise, and resonance.

If you are an enthusiast seeking a powerful, deep exhaust note and improved performance, the Flowmaster American Thunder Exhaust System could be an excellent investment. However, if you are on a tight budget, prefer a more refined exhaust note, or are concerned about the complexity of installation and noise levels, you may want to consider other options.

Recommendation:

If you are looking for a high-performance exhaust system that delivers a deep, throaty sound, the Flowmaster American Thunder Exhaust System (817158) is an excellent choice. However, be prepared for the higher cost, complex installation process, and potential noise concerns. If you are unsure about the suitability of the system for your specific vehicle or personal preferences, consult with a professional exhaust specialist for expert advice.

part # 817158 price

  • $921.95

specifications frazzlekits:

  • for models: Thunder
  • brand: Flowmaster
  • type: Exhaust Gt; Exhaust Kits And Systems
  • upc: 700042025626
  • manufacturer part number: 817158

returns frazzlekits:

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

offer frazzlekits:

  • sold: 0
  • started: May 9, 2025
  • options: Ship-to-home
  • availability: In Stock

payments frazzlekits:

  • credit card: Mastercard
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  • wallet: Google-pay

general frazzlekits:

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

seller frazzlekits:

  • rating: 99.1%
  • # reviews: 47259

shipping frazzlekits:

  • carrier: UPS
  • service: UPS Ground
  • class: Standard
  • transit: 4-7 Days
  • cost: $0.00
  • type: Fixed
for models: thunder, type: exhaust gt; exhaust kits and systems,
category: auto parts > car truck parts accessories > exhaust emission systems > exhaust system kits, sku: 4450840508890772,

Flowmaster 817158 Is Similar To:

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5 offers $921.95–$921.95 USD
  • Offer #1: $921.95 price + free delivery = $921.95* total. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone.FREE SHIPPING
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  • Offer #5: $921.95 price + free delivery = $921.95* total. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Kit Flowmaster Exhaust System, Header-Back, Stainless Steel, 2.5 in.FREE SHIPPING