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๐ฅ Own the street with the legendary Flowmaster roar!
The Flowmaster 40 Series Chambered Muffler (2.50" Offset In / 2.50" Center Out) delivers the iconic aggressive sound and proven performance that muscle car and truck enthusiasts crave. Built from durable 16-gauge aluminized steel with a classic two-chamber design, it enhances horsepower and torque while offering universal fitment for custom exhaust setups. Trusted by thousands for unmatched street presence and lasting reliability.
| ASIN | B000182DMO |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #22,570 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Performance Exhaust Mufflers #236 in Automotive Emission & Exhaust Products |
| Brand | Flowmaster |
| Brand Name | Flowmaster |
| Compatible with Vehicle Type | Car |
| Configuration | Center/Offset |
| Customer Reviews | 4.8 out of 5 stars 429 Reviews |
| Global Trade Identification Number | 00700042010332, 00700042029426 |
| Included Components | Flowmaster 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound |
| Item Dimensions | 22 x 10 x 5 inches |
| Item Highlight | Original 40 Series, aggressive sound, 16-gauge aluminized steel, for muscle cars, street rods, trucks, and SUVs (42541) |
| Item Type Name | Flowmaster 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound |
| Item Weight | 9.5 pounds |
| Item dimensions L x W x H | 22 x 10 x 5 inches |
| Manufacturer | Flowmaster |
| Manufacturer Part Number | 42541 |
| Manufacturer Warranty Description | Check with the manufacturer |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model Number | 42541 |
| Number of Items | 1 |
| OEM Equivalent Part Number | 42541 |
| Part Interchange Info | 42541 |
| Shape | Oval |
| UPC | 700042010332 700042029426 |
| Unit Count | 1 Count |
| Vehicle Service Type | Car |
J**N
Thank you for master thank you Amazon
They must have the 40 series chambered muffler 2.50 inch offset and 2.50 inch center is a good look a good sound a good quality a must buy thank you Flowmaster
K**N
Sound approved muffler
Our grandson asked for this for his Birthday and he was so excited when he heard the rumble of this muffler after his dad installed it.
A**1
40 series flowmaster
Sounds good! 40 series Flowmaster
C**S
Flowmaster
Envรญo super rรกpido...sonido de show
B**T
2010 Ford F-150 4.6L V8
Perfect amount of sound for me a 35 year old. Great idle, great sound when giving it just a little gas and on the highway. Left my resonator on and so I havenโt noticed any drone on the highway with the radio on just on low volume. Would buy again.
E**.
๐
Put this on my wife's jeep commander with the 5.7 hemi. It sounds great
2**P
Price
Sounds great for me needed more
D**.
Smooth sound
I bought this muffler for my 2011 F-150 5.0 Super Crew. I kept the stock resonator on and had a turn down right after the rear axle. I kept the resonator because I have a 6 month old and I did not want it to be too loud. It has a nice smooth tone, and you know it's there when driving and idling. I gave it four stars because as soon after I put it on my gas mileage dropped 2-3 mpg, and no it's not from led footing it. I was driving the speed limit and using cruise control. After a couple of days of driving my mileage was back to normal. Guess it just took a couple of days for all 123 computers on the truck to learn something was different. But it has a great deep sound.
R**.
Great quality
All as explained and expected. Amazing mufflers.
T**N
Sounds great!
Sounds great like all the other Flow Master exhausts Iโve had installed! Highly recommend for a GM 5.3 engine.
F**I
Good Product and Service !!
A+ A+ A+
R**Y
Excellent!!!
Love the sound. Not overly loud just a very nice throaty sound.
K**A
Nice sound
I bought this for my 2016 Ford F150 V6. Even though is says it doesn't fit pipes can be made to make it fit. It has a nice throaty sound at idle and up to 5000 rpms on a V6. Much better than the stock muffler. I also deleted the resonator. Good product
Trustpilot
3 days ago
3 weeks ago