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🔥 Own the street with the legendary roar of Flowmaster 40 Series!
The Flowmaster 40 Series Chambered Muffler delivers the iconic aggressive exhaust sound with a durable two-chamber design. Crafted from 16-gauge aluminized steel and fully MIG-welded, it enhances horsepower and torque by improving airflow and reducing back pressure. Its universal fitment and multiple configurations make it the go-to choice for muscle cars, street rods, trucks, and custom builds seeking that unmistakable Flowmaster attitude.












| ASIN | B000182DMO |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #20,588 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Performance Exhaust Mufflers #225 in Automotive Emission & Exhaust Products |
| Brand Name | Flowmaster |
| Compatible with Vehicle Type | Car |
| Configuration | Center/Offset |
| Customer Reviews | 4.7 4.7 out of 5 stars (429) |
| 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 |
| Manufacturer | Flowmaster |
| Manufacturer Part Number | 42541 |
| Manufacturer Warranty Description | Check with the manufacturer |
| 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 |
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