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Home > Street Muscle (1955-72) > Headers & Exhaust

FLOWMASTER SUPER 40 SERIES MUFFLERS, CENTERED OUTLET

The Flowmaster Super 40 Series Muffler is the most aggressive street muffler Flowmaster offers. It has the deepest tone while retaining the classic two chamber race design.

The body measures 13" long, 10" wide and 5" thick. Choose 2-1/4", 2-1/2" or 3" I.D. Centered outlet. 
Flowmaster Super 40 Series Mufflers, Centered Outlet
378-952446 View Larger

Item #
Description
Units
Price 
   
Qty
378952446
Flowmaster Super 40 Series Muffler, 2-1/4"
EA $92.99  

378952546
Flowmaster Super 40 Series Muffler, 2-1/2"
EA $92.99  

378953046
Flowmaster Super 40 Series Muffler, 3"
EA $92.99  

 

Some parts are not legal for sale or use in California on any pollution controlled motor vehicles.

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Speedway Motors, Inc. | 340 Victory Lane | Lincoln, NE 68528 | 1.800.979.0122