Flowmaster 40 Series Original Chambered Muffler – 2.50” Dual In / 2.50” Dual Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425404)
Product details
| Management number | 211951275 | Release Date | 2026/04/06 | List Price | $40.78 | Model Number | 211951275 | ||
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- LEGENDARY SOUND: This is the original Flowmaster muffler that enthusiasts know and love! Famous for its bold, aggressive bark and signature tone. It delivers the unmistakable attitude and street presence that made Flowmaster a legend.
- TWO-CHAMBERED INTERNAL DESIGN: Flowmaster’s classic two-chambered layout delivers that bold, aggressive exhaust sound Flowmaster is known for. Perfect for muscle cars, street rods, trucks, off-road rigs, and custom builds.
- PROVEN PERFORMANCE: Enhances airflow and reduces back pressure to help boost horsepower, torque, and throttle response.
- BUILT TO LAST: Made from 16-gauge aluminized steel and fully MIG-welded to withstand high heat and vibration with no internal packing to blow out or wear down.
- UNIVERSAL FITMENT: Designed for custom and modified exhaust systems, with multiple inlet/outlet sizes and configurations (center/offset, dual) for simplified installation and optimal fit.
| UPC | 700042026029 |
|---|---|
| Shape | Oval |
| Brand Name | Flowmaster |
| Unit Count | 1.0 Count |
| Item Weight | 10.25 Pounds |
| Manufacturer | Flowmaster |
| Model Number | 425404 |
| Configuration | Dual/Dual |
| Material Type | Alloy Steel |
| Item Type Name | Exhaust Muffler |
| Item Dimensions | 20.5 x 10 x 4.5 inches |
| Automotive Fit Type | Universal Fit |
| Included Components | Muffler |
| Inlet Connection Size | 2.5 Inches |
| Part Interchange Info | 425404 |
| Manufacturer Part Number | 425404 |
| OEM Equivalent Part Number | 425404 |
| Compatible with Vehicle Type | Car |
| Manufacturer Warranty Description | 3 Year Limited Warranty |
| Global Trade Identification Number | 00700042026029 |
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