Street Flow 2-Chamber Performance Muffler | 2.5" Offset In / 2.5" Center Out |

Similar to the Flowmaster 40 series 

Street Flow SF42541 2-Chamber Performance Muffler. Designed for enthusiasts who want a deep, aggressive muscle car tone while improving exhaust flow, the SF42541 is an excellent choice for street performance, hot rods, trucks, and custom exhaust systems.

Manufactured from heavy-duty 16-gauge aluminized steel, the SF42541 features precision-crafted internal chambers that improve exhaust scavenging while producing a powerful, aggressive exhaust note. A premium high-heat powder coat finish helps protect against corrosion and provides lasting durability, while the installer-friendly design makes fabrication and installation straightforward.

The 2.5" Offset In / 2.5" Center Out configuration is ideal for applications that require an offset inlet and centered outlet, making it a popular choice for classic muscle cars, performance trucks, Jeeps, street rods, and custom-built exhaust systems.

Features

✔ Classic 2-chamber performance design

✔ Deep, aggressive muscle car exhaust tone

✔ Heavy-duty 16-gauge aluminized steel construction

✔ Premium high-heat powder coat finish

✔ Precision handcrafted internal chambers

✔ Improved exhaust flow characteristics

✔ Installer-friendly design

✔ Made in North America

Specifications

• Part Number: SF42541
• Series: Street Flow
• Muffler Style: 2-Chamber
• Inlet: 2.5" Offset
• Outlet: 2.5" Center
• Body Size: 4" x 9.5" Oval
• Body Length: 13"
• Overall Length: 19"
• Material: 16-Gauge Aluminized Steel
• Finish: High-Heat Silver Powder Coat
• Sound Level: Moderate to Aggressive
• Configuration: Non-Reversible
• Universal Fitment
• Warranty: 3-Year Limited Warranty

Ideal For

• Muscle cars
• Classic restorations
• Performance trucks
• Street rods
• Jeep builds
• Custom exhaust systems
• V8 performance applications
• Off-road vehicles