Description
The Flowmaster 70 Series Stainless Steel Chambered Muffler delivers mild exterior sound with minimal interior resonance while improving horsepower, torque, and engine efficiency. Engineered with Flowmaster’s Delta Flow® technology and an enlarged case design, this muffler is ideal for trucks, SUVs, motorhomes, tow vehicles, and high-performance street cars where space allows.
Constructed of durable 16-gauge 409 stainless steel and fully MIG welded, the 70 Series muffler ensures long-lasting durability and performance. Its chambered design allows for improved sound control and a smooth, stock-like exterior exhaust tone.
Key Features
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Mild exterior sound with minimal interior resonance
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Improves horsepower, torque, and engine efficiency
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Perfect for trucks, SUVs, RVs, tow vehicles, and high-performance street cars
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Enlarged case for superior sound control
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Delta Flow® technology for optimized exhaust flow
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16-gauge 409 stainless steel construction with full MIG welds
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Mild to stock exterior exhaust tone
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Universal fitment for easy integration into custom or replacement applications
Fitment Information
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Universal fitment for classic muscle cars, trucks, SUVs, and motorhomes
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Designed for applications where space allows
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Reversible: No
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Vehicle type: Classic Muscle Car / Trucks / SUV / RV
Muffler Specifications
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Muffler series: 70 Series Big Block
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Muffler type: Chambered
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Muffler included: Yes
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Muffler body material: 409 stainless steel
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Muffler body shape: Oval
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Muffler body length: 22.00 IN
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Muffler body width: 10.00 IN
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Muffler body height: 5.00 IN
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Muffler finish: Black high-temperature paint
Connection and Inlet/Outlet
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Inlet connection: Slip-Fit
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Inlet diameter: 3.00 IN
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Inlet inside diameter: 3.00 IN
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Inlet outside diameter: 3.13 IN
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Inlet location: Center
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Inlet quantity: 1
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Inlet type: Clamp-On
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Outlet connection: Slip-Fit
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Outlet diameter inside: 3.00 IN
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Outlet diameter outside: 3.13 IN
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Outlet location: Offset
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Outlet quantity: 1
Exhaust System Compatibility & Installation
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Uses new hangers (not included) for mounting
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Mount type: Uses new hangers
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Sound level: Mild
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Tunable: No
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Clamps included: No
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Heat shield: Not included
Overall Dimensions
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Overall length: 28.00 IN
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Shape: Oval
