FLOWMASTER 817541 Cat Dual Rear Exit American Moderate 700042030019 Moderate/ 409S Rear/side

( Brand: Flowmaster ), ( Part Type: Exit ), ( Manufacturer Part Number: 817541 ), ( Item Length: 58.50 ), ( Fitment Type: Performance/custom ), ( Notes: Rear ), ( UPC: 700042030019 )

Review FLOWMASTER Cat back System Dual Rear/side Exit american Thunder-moderate/ fits THUNDER

Introducing the Flowmaster 817541 Cat-Back Exhaust System with Dual Rear/Side Exit - American Thunder - Moderate Series. This high-performance exhaust system is specifically designed for American muscle cars to deliver an impressive improvement in power and exhaust note.

The Cat-Back system replaces the stock catalytic converters and mid-pipes to the rear exhaust tips. It is made from premium 409 stainless steel, which is known for its durability and corrosion resistance. This material ensures that the exhaust system lasts longer than factory components and maintains its appearance even in harsh weather conditions.

The American Thunder - Moderate Series exhaust system is engineered to provide a moderate increase in exhaust flow, resulting in a noticeable gain in horsepower and torque. The system features Flowmaster's signature muffler design, which delivers a deep, rumbling exhaust note that is sure to turn heads.

One of the most distinctive features of this exhaust system is the dual rear/side exit design. The rear exhaust tips are integrated into the bumper, while the side exhaust tips are mounted on the quarter panels. This design not only looks great, but it also improves exhaust flow by reducing back pressure and increasing scavenging.

The 817541 Cat-Back system comes with all necessary hardware and detailed instructions for an easy installation process. It is compatible with various American muscle cars and can be used in both stock and modified applications.

Overall, the Flowmaster 817541 Cat-Back Exhaust System with Dual Rear/Side Exit - American Thunder - Moderate Series is an excellent investment for any American muscle car enthusiast who wants to enhance their vehicle's performance and aesthetics. With its durable stainless steel construction, impressive power gains, and distinctive exhaust note, this exhaust system is sure to provide a satisfying driving experience.

The Flowmaster 817541 Cat-Back Exhaust System with American Thunder 409s Dual Rear/Side Exit is a popular aftermarket exhaust system among car enthusiasts. This exhaust system is known for its unique sound and stylish design. Let's discuss the pros and cons of buying this exhaust system to help you make an informed decision.

1. Unique Sound: The Flowmaster American Thunder 409s series is known for its distinctive and powerful exhaust note. This exhaust system utilizes Flowmaster's patented "muffler-in-a-can" design, which provides a balanced exhaust flow and produces a deep, throaty sound.

2. Increased Performance: This exhaust system is designed to improve the performance of your vehicle by reducing backpressure and maximizing exhaust flow. It can help improve horsepower, torque, and acceleration.

3. Stylish Design: The dual rear/side exit design of this exhaust system looks great on many vehicles, especially muscle cars and sports cars. It adds a distinctive and aggressive look to your vehicle.

4. Durable Construction: This exhaust system is made from high-quality materials, including mandrel-bent stainless steel tubing, and features rust-resistant coatings to ensure long-lasting durability.

1. Expensive: The Flowmaster 817541 Cat-Back Exhaust System with American Thunder 409s Dual Rear/Side Exit is a premium aftermarket exhaust system, and it comes with a premium price tag.

2. Installation Complexity: Installing this exhaust system can be a complex and time-consuming process. It requires the removal of your vehicle's old exhaust system, and the new system may require custom modifications to fit properly.

3. Loud: This exhaust system produces a loud and distinctive exhaust note, which may not be suitable for everyone. It may not be ideal for those who prefer a quieter exhaust system or who live in noise-sensitive areas.

The Flowmaster 817541 Cat-Back Exhaust System with American Thunder 409s Dual Rear/Side Exit is a high-performance, stylish, and durable exhaust system that produces a unique and powerful exhaust note. It is an excellent choice for car enthusiasts who want to improve the performance and appearance of their vehicle. However, it comes with a premium price tag and requires a complex installation process. If you are willing to invest the time and money, this exhaust system can provide you with a rewarding driving experience.

If you are looking for a high-performance, stylish, and durable exhaust system that produces a unique and powerful exhaust note, then the Flowmaster 817541 Cat-Back Exhaust System with American Thunder 409s Dual Rear/Side Exit is an excellent choice. However, it is important to note that this exhaust system is not suitable for everyone due to its complex installation process and loud exhaust note. Before making a purchase, be sure to carefully consider your budget, installation capabilities, and personal preferences to determine if this exhaust system is right for you.

part # 817541 prices

• $200.62-$1299.95

specifications frazzlekits:

• for models: Thunder
• brand: Flowmaster
• part type: Exit
• manufacturer part number: 817541
• item length: 58.50
• fitment type: Performance/custom
• notes: Rear
• upc: 700042030019

shipping frazzlekits:

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

payments frazzlekits:

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

offer frazzlekits:

• started: August 7, 2025
• options: Ship-to-home
• sold: 0
• availability: In Stock

general frazzlekits:

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

returns frazzlekits:

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

seller frazzlekits:

• rating: 98.4%
• # reviews: 65785

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