Standard Muffler Insert 3-1/2" Tube Diameter
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PATRIOT EXHAUSTPART NUMBER: 737-H3840

Standard Muffler Insert 3-1/2" Tube Diameter

$5068$56.31You Save$5.63
ShippingShips on 09/09/2026
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Standard Muffler Inserts
    Standard Muffler Insert
  • 3-1/2'' Tube Diameter
  • 12'' Length


  • Heavy duty six-sided louvered core.; Wrapped with hi-temp packing.; Designed to slip inside turnouts, side pipes or extensions.; Limited One Year Warranty;

    Standard Muffler Inserts

    Heavy duty six-sided louvered core is wrapped with hi-temp packing for long life. Designed to slip inside turnouts, side pipes or extensions.

    Auger Inserts

    Auger style provides excellent sound control without the fiberglass packing.

Part TypeMuffler Baffle
Product LinePatriot Exhaust Muffler Inserts
BrandPATRIOT EXHAUST
Package Height4.0
Package Width4.0
Package Length13.0
Weight1.5 PG
Part CategoryPerformance Parts
Exhaust Insert MaterialSteel
QuantitySold individually
Overall Length12.5 in (317.5 mm)
Part FitmentUniversal
Diameter3.5 in (88.9 mm)
Exhaust Insert StyleLouvered core
Vendor Part NumberH3840
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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