





🔥 Unleash the roar, own the road with Flowmaster power!
The Flowmaster 425404 40 Series Chambered Muffler is a robust, fully welded 16 gauge aluminized steel exhaust component designed for motorcycles. Measuring 20.5 x 10 x 4.5 inches and weighing 10.25 pounds, it features an oval dual/dual configuration with a 2.5-inch inlet, delivering an aggressive exterior tone and noticeable interior resonance. Ideal for street, strip, and off-road use, it combines durability with high-performance sound engineering.
| Brand | Flowmaster |
| Item dimensions L x W x H | 20.5 x 10 x 4.5 inches |
| Vehicle Service Type | Motorcycle |
| Configuration | Dual/Dual |
| Shape | Oval |
| Inlet Connection Size | 2.5 Inches |
| UPC | 700042026029 |
| Manufacturer | Flowmaster |
| Global Trade Identification Number | 00700042026029 |
| OEM Part Number | 425404 |
| Model | 425404 |
| Item Weight | 10.25 pounds |
| Product Dimensions | 20.5 x 10 x 4.5 inches |
| Item model number | 425404 |
| Is Discontinued By Manufacturer | No |
| Exterior | Painted |
| Manufacturer Part Number | 425404 |
Trustpilot
3 weeks ago
2 weeks ago