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Item #:
23874256
Flowmaster 74151 FlowFX Muffler 3.5" Center Inlet/Outlet - Moderate Sound 409 Stainless Steel
85% of respondents would recommend this to a friend
Item #:
23874256
AUD 329
Price Details
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What Stands Out
Durable Material
Made from high-quality 409 stainless steel, ensuring long-lasting performance and resistance to corrosion, perfect for reliable use in all weather conditions.
Moderate Sound
Provides a balanced sound profile that enhances your vehicle's exhaust note without being overly aggressive, ideal for daily drivers seeking a sporty sound.
Versatile Fit
Designed with a 3.5-inch center inlet and outlet, making it compatible with a wide range of vehicles, offering easy installation and a universal appeal for most exhaust systems.
Product Details
- Durable fully welded bright 409S stainless steel for good looks and long life
- High temp interior sound absorption material offers great sound control
- High flow straight-through design for great performance
- Moderate exterior performance tone
- Mild to moderate interior tone
- Fit type: Vehicle Specific
| Brand Name | Flowmaster |
| Manufacturer Part Number | 74151 |
| UPC | 700042039791 |
| Manufacturer | Flowmaster |
| Global Trade Identification Number | 00700042039791 |
| Number of Items | 1 |
| Included Components | Flowmaster 74151 3.5 In(C)/Out(C), 5X8X18, Flow Fx Muffler |
| Item Type Name | Flowmaster 74151 3.5 In(C)/Out(C), 5X8X18, Flow Fx Muffler |
| Model Number | 74151 |
| Unit Count | 1 Count |
| Item Dimensions | 25.2 x 8.9 x 5.5 inches (64 x 22.6 x 14 cm) |
| Item Weight | 13.1 pounds (5.94 kg) |
| OEM Equivalent Part Number | 74151 |
| Automotive Fit Type | Vehicle Specific Fit |
| Part Interchange Info | 74151 |
| Material Type | Plastic |
| Shape | Rectangular |
| Brand | Flowmaster |
| Material | Plastic |
| Item dimensions L x W x H | 25.2 x 8.9 x 5.5 inches (64 x 22.6 x 14 cm) |
Who Should Buy?
-
Car Enthusiasts
Ideal for those seeking a mild sound enhancement in performance vehicles without excessive noise.
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Daily Drivers
Perfect for regular vehicles needing an upgrade for sound without compromising comfort during daily commutes.
-
Budget Builders
A cost-effective muffler solution for individuals modifying their vehicles, providing quality sound at an affordable price.
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Loud Sound Seekers
Not suitable for users looking for aggressive, loud exhaust sounds as it offers moderate audio levels.
Product Description
Flowmaster 74151 FlowFX Muffler 3.5" Center Inlet/Outlet - Moderate Sound 409 Stainless Steel
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What type of sound can I expect from the Flowmaster 74151 FlowFX Muffler?
Answer: The Flowmaster 74151 FlowFX Muffler is designed to produce a moderate sound that strikes a balance between understated and aggressive. This allows you to enjoy a robust exhaust tone without being excessively loud, making it ideal for daily drivers and performance vehicles alike. The moderate sound ensures that you can enjoy a pleasant driving experience while still giving your vehicle a distinct personality on the road. -
Question:
What are the benefits of the 409 stainless steel construction?
Answer: The 409 stainless steel construction of the Flowmaster 74151 provides superior durability and resistance to rust and corrosion compared to standard steel. This ensures a longer lifespan, especially in varying weather conditions and driving environments. The robust material not only contributes to the muffler's longevity but also maintains its aesthetic appeal, making it a valuable upgrade for car enthusiasts who want both performance and style. -
Question:
Is the Flowmaster 74151 compatible with all vehicle types?
Answer: While the Flowmaster 74151 is versatile and fits a range of vehicles, compatibility depends on specific models and configurations, particularly the exhaust layout. It features a 3.5-inch center inlet and outlet, making it essential to check your vehicle's exhaust system specifications before purchasing. This ensures optimal fit and function to enhance performance and sound quality. -
Question:
How does the FlowFX Muffler improve vehicle performance?
Answer: The Flowmaster 74151 FlowFX Muffler enhances vehicle performance by improving exhaust flow. This is achieved through its innovative design, which reduces back pressure and allows the engine to breathe more freely. Enhanced exhaust flow can lead to better throttle response and overall engine efficiency, making it a popular choice among performance enthusiasts looking to maximize their vehicle's potential. -
Question:
What is the installation process for the Flowmaster 74151?
Answer: Installing the Flowmaster 74151 typically requires some mechanical skill, as it involves cutting and welding or using clamps to secure the muffler in place. For those with experience in automotive modifications, this process can be straightforward. However, for best results, it's often recommended to have a professional perform the installation to ensure optimal performance and longevity. -
Question:
Can I use the Flowmaster 74151 on a lifted truck?
Answer: Yes, the Flowmaster 74151 FlowFX Muffler can be used on lifted trucks, provided that the exhaust system accommodates a 3.5-inch diameter pipe. Its moderate sound profile complements the aggressive aesthetics of lifted vehicles without being too obtrusive, making it a favored option for truck owners who want to enhance sound and performance. -
Question:
What maintenance does the Flowmaster 74151 require?
Answer: The Flowmaster 74151 Muffler requires minimal maintenance, given its robust stainless steel construction. It's advisable to periodically check for any loose connections or leaks, and to keep the exhaust system clean from debris or rust. Regular inspections can prolong the muffler’s lifespan and ensure your vehicle continues to perform at its best. -
Question:
Does the installation of this muffler affect fuel efficiency?
Answer: Installing the Flowmaster 74151 can positively affect fuel efficiency due to improved exhaust flow. By reducing back pressure, your engine can operate more efficiently, potentially leading to improved miles per gallon. However, actual results can vary depending on driving habits and vehicle condition. Proper tuning may be required to maximize these benefits. -
Question:
Where can I buy Flowmaster 74151 FlowFX Muffler 3.5 Center Inlet/Outlet - Moderate Sound 409 Stainless Steel?
Answer: You can purchase the Flowmaster 74151 FlowFX Muffler at Ubuy in Australia. Ubuy provides a reliable platform for finding quality automotive parts, ensuring you get the right fit for your vehicle along with a straightforward purchasing experience.
Flowmaster Mufflers 74151 Editorial Review
The Flowmaster 74151 3.5 InCOutC, 5X8X18, Flow Fx Muffler has received positive reviews from customers who have purchased and installed it. It is compatible with a Dodge Ram 1500 and has 3.5" inlet and outlet sizes. The body length is 18 inches but the overall length is 24 inches. Customers have reported that the muffler has a good sound without being too aggressive, and it offers a deeper tone than a chambered muffler. The muffler is made of stainless steel, with welded seams and compact dimensions, and is delivered quickly.
Customer Reviews & Ratings
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Pros
- Good sound without being too aggressive
- Offers a deeper tone than a chambered muffler
- Made of stainless steel with welded seams
- Compact dimensions
- Quick delivery
Cons
- Some customers have reported drone at 2k RPM
Platform Trust & Buyer Confidence
CJ
Chris
Verified buyer
“Promt delivery. Seems like a good product.”
22 July 2026 · via Trustpilot
SM
Scott
Verified buyer
“It was the best service ever received by any company from my online shopping experience in the last 10yrs”
11 July 2026 · via Trustpilot
TD
Terri
Verified buyer
“so easy to order delivery was way earlier than i expected”
3 July 2026 · via Trustpilot
GC
Gavin
Verified buyer
“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”
21-Jul-26 · via Trustpilot
J
Jeannie
Verified buyer
“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”
17-Jul-26 · via Trustpilot
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AUD 329
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