



🔥 Own the street with the iconic roar of Flowmaster!
The Flowmaster 40 Series Original Chambered Muffler delivers a bold, aggressive exhaust sound through its classic two-chamber design. Crafted from durable 16-gauge aluminized steel with MIG welding, it enhances horsepower and throttle response by optimizing airflow and reducing back pressure. Designed for muscle cars, street rods, trucks, and SUVs, its universal 3.00” center inlet and 2.50” dual outlets ensure easy installation and a perfect fit for custom exhaust builds.
| Brand | Flowmaster |
| Item dimensions L x W x H | 20.4 x 4.6 x 9.9 inches |
| Vehicle Service Type | Car |
| Configuration | Center/Dual |
| Shape | Oval |
| UPC | 700042010448 700042029464 |
| Manufacturer | Flowmaster |
| Global Trade Identification Number | 00700042010448, 00700042029464 |
| OEM Part Number | 430402 |
| Model | 430402 |
| Item Weight | 10.1 pounds |
| Product Dimensions | 20.4 x 4.6 x 9.9 inches |
| Item model number | 430402 |
| Is Discontinued By Manufacturer | No |
| Exterior | Painted |
| Manufacturer Part Number | 430402 |
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