Street Max Performance Muffler 3" Offset/ 3" Center

Retail Price: 146.50

Allied Price: 104.00

Similar to the Magnaflow 11229 (same manufacture)

Street Max 11229 Performance Muffler, engineered to provide maximum exhaust flow, long-lasting durability, and a deep, aggressive performance tone. Its straight-through perforated core helps reduce exhaust restriction while improving horsepower, torque, and throttle response, making it an excellent choice for custom exhaust fabrication and performance applications.

Constructed from heavy-duty 16-gauge 409 stainless steel, the SM11229 is built to withstand years of use while offering excellent corrosion resistance. The high-heat thermal mesh and premium acoustic packing help minimize unwanted interior drone and reduce high-frequency exhaust rasp, delivering a clean, refined performance sound.

Ideal for muscle cars, trucks, hot rods, LS swaps, turbocharged applications, and custom exhaust systems, the reversible design allows for easier installation in a wide variety of fabrication projects.

Features

✔ Straight-through high-flow perforated core

✔ Deep, aggressive performance exhaust tone

✔ Heavy-duty 16-gauge 409 stainless steel construction

✔ High-heat thermal mesh for superior sound control

✔ Helps reduce unwanted drone and exhaust rasp

✔ Improved exhaust flow for increased horsepower and torque

✔ Reversible universal installation

✔ Durable fully welded construction

Specifications

• Part Number: SM11229
• Inlet: 3" Offset (can be reversed) 
• Outlet: 3" Center (can be reversed) 
• Body Size: 4" x 9" Oval
• Body Length: 14"
• Overall Length: 20"
• Material: 16-Gauge 409 Stainless Steel
• Core Design: Straight Through
• Sound Level: Moderate to Aggressive
• Universal Fitment

Ideal For

• Custom exhaust systems
• Performance cars
• Muscle cars
• Trucks
• LS engine swaps
• Turbocharged applications
• Off-road vehicles
• Street rods
• Race cars