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Home > Dr. Gas! Freq-Mod Mufflers

FreqMod Spin Trap Muffler

Part Number FMHD
FreqMod Spin Trap Muffler
FreqMod Spin Trap Muffler
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Case and Inlet/Outlet Sizes
Thin case 2.5" inlet/outlet
Thin case 3" inlet/outlet [+$5.00]
Thick case 3" inlet/outlet [+$15.00]
Thick case 3.5" inlet/outlet [+$25.00]
Paint Color
Black [+$20.00]
Copper [+$30.00]
no paint
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FreqMod Heavy-Duty Muffler

Effective for severe applications such as high-flow, high-horsepower, supercharged, headers, and large single-exhaust systems.  The two-stage design is intended to work against excessive popping and rasp, and still maintain a very high flow rate.  Construction is very rugged.

Available in thin (3.5") and thick (4.5") case thickness with center inlets and offset outlets.

Thin case available with 2.5" and 3" inlet/outlet.
Thick case available with 3" and 3.5" inlet/outlet.

Thin case: 14" x 10" x 3.5"
Thick case: 14" x 10" x 4.5"

X-Pipe Crossover (Junction Only)
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Your Price: $134.95