Flowmaster 40 Series Original Chambered Muffler – 2.50” Center In / 3” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
Product details
| Management number | 229099433 | Release Date | 2026/05/31 | List Price | US$39.98 | Model Number | 229099433 | ||
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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 | 700042038534 |
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| ASIN | B07H616VF5 |
| Shape | Universal |
| Brand Name | Flowmaster |
| Unit Count | 1.0 Count |
| Item Weight | 10 Pounds |
| Manufacturer | Flowmaster |
| Model Number | 425403 |
| Configuration | Centre |
| Material Type | Alloy Steel |
| Item Type Name | Flowmaster 425403 40 Series Muffler - 2.50 Dual Inlet / 3.00 Center Outlet - Aggressive Sound Exhaust Muffler 40 Series Muffler - 2.50 Dual In / 3.00 Center Out - Aggressive Sound |
| Item Dimensions | 20.5 x 10 x 4.5 inches |
| Automotive Fit Type | Universal Fit |
| Included Components | Flowmaster 425403 40 Series Muffler - 2.50 Dual Inlet / 3.00 Center Outlet - Aggressive Sound Exhaust Muffler 40 Series Muffler - 2.50 Dual In / 3.00 Center Out - Aggressive Sound |
| Part Interchange Info | 425403 |
| Manufacturer Part Number | 425403 |
| OEM Equivalent Part Number | 425403 |
| Compatible with Vehicle Type | Car |
| Manufacturer Warranty Description | Check with the manufacturer |
| Global Trade Identification Number | 00700042038534 |
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