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🔥 Own the street with the legendary roar of Flowmaster 40 Series!
The Flowmaster 40 Series Chambered Muffler (2.50" Offset In / 2.50" Center Out) is a universal-fit, heavy-duty exhaust upgrade featuring a classic two-chambered design that delivers aggressive, signature sound. Made from durable 16-gauge aluminized steel with MIG welds, it enhances horsepower, torque, and throttle response while providing a bold street presence for muscle cars, trucks, and custom vehicles.












| ASIN | B000182DMO |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #13,984 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Performance Exhaust Mufflers #127 in Automotive Emission & Exhaust Products |
| Brand | Flowmaster |
| Brand Name | Flowmaster |
| Compatible with Vehicle Type | Car |
| Configuration | Center/Offset |
| Customer Reviews | 4.7 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 |
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