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Muffler, Flowmaster, Hushpower II, T409, 2-1/2"

Vehicle Specific fits 31 models
0 Reviews
Part# C240217
You Save $15.96
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Ideal for limited space applications

The “Hush Power II” muffler has the great sound of the 1950s-style muffler, yet will support up to 400 horsepower. This unpolished muffler comes in unpolished T409 stainless steel, which can be polished to a high luster. “Hush Power II” muffler utilizes guided sound control with a jet engine gas flow internal design for maximum flow. This is 18" long by 5-1/2" wide, by 4" tall case size.


  • NOTE1: I= inlet and O= outlet. NOTE2: These high-performance items are not eligible for any further discounts or promotional pricing.
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

Vehicle Fitment

Make & Model Year Range Application Details
Buick Grand National 82 2-1/2" I/O
Buick Grand National 84-87 2-1/2" I/O
Buick Regal 78-87 2-1/2" I/O
Buick Riviera 63-76 2-1/2" I/O
Buick Skylark 61-72 2-1/2" I/O
Buick T-Type 83-87 2-1/2" I/O
Cadillac 60 Special 38-53 2-1/2" I/O
Cadillac Calais 40-64 2-1/2" I/O
Cadillac DeVille 54-93 2-1/2" I/O
Cadillac Eldorado 53-93 2-1/2" I/O
Cadillac Fleetwood 54-93 2-1/2" I/O
Cadillac Series 60 39-51 2-1/2" I/O
Cadillac Series 61 39-51 2-1/2" I/O
Cadillac Series 62 40-64 2-1/2" I/O
Cadillac Series 63 39-51 2-1/2" I/O
Cadillac Series 65 40-64 2-1/2" I/O
Cadillac Series 70 36-53 2-1/2" I/O
Cadillac Seville 76-04 2-1/2" I/O
Chevrolet Chevelle 64-77 2-1/2" I/O
Chevrolet Corvair 60-69 2-1/2" I/O
Chevrolet Corvair 95 FC 61-65 2-1/2" I/O
Chevrolet El Camino 64-88 2-1/2" I/O
Chevrolet Malibu 78-83 2-1/2" I/O
Chevrolet Monte Carlo 70-88 2-1/2" I/O
Oldsmobile Cutlass 64-77 2-1/2" I/O
Pontiac Bonneville 55-77 2-1/2" I/O
Pontiac Catalina 55-77 2-1/2" I/O
Pontiac Grand Prix 62-77 2-1/2" I/O
Pontiac GTO 64-74 2-1/2" I/O
Pontiac LeMans 64-74 2-1/2" I/O
Pontiac Tempest 64-74 2-1/2" I/O
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Muffler, Flowmaster, Hushpower II, T409, 2-1/2
Flowmaster Muffler, Flowmaster, Hushpower II, T409, 2-1/2"