Insultherm™ Braided Header Wrap

High Temperature Header and Exhaust Protection

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What's special about these braided wraps?

  • Resists extreme temperatures and helps extend the life of performance headers and exhausts
  • Chemical resistant to protect metal finishes from corrosive engine chemicals and gasoline
  • Reduces the amount of heat released to increase horsepower and improve fuel economy
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RoHS CompliantMade in USA

Insultherm™ Head Wrap and Header Wrap SI is an extremely temperature-resistant braided wrap used in automotive and high performance headers and exhausts. Designed to allow just enough heat to escape when properly installed, this helps to improve automotive performance and staying power under normal to extreme conditions.


Header Wrap (up to 1,000° F Continuous Protection)
TX-MSHFN100 1/16" 1" 50' Black, Natural 0.75 lb
TX-MSHFN200 1/16" 2" 50' Black, Natural 1.53 lbs
TX-BSHFN100 1/16" 1" 100' Black, Natural 1.50 lbs
TX-BSHFN200 1/16" 2" 100' Black, Natural 3.05 lbs
Header Wrap SI (up to 2,000° F Continuous Protection)
TX-MSHSN100-NT 1/16" 1" 50' Natural 0.75 lb
TX-MSHSN200-NT 1/16" 2" 50' Natural 1.53 lbs
TX-BSHSN100-NT 1/16" 1" 100' Natural 1.50 lbs
TX-BSHSN200-NT 1/16" 2" 100' Natural 3.05 lbs

  • Header Wrap Insultherm™ (HF) is manufactured from texturized fiberglass yarns, and protects up to 1,000° F
  • Header Wrap SI Insultherm™ (HS) is manufactured from texturized amorphous silica filament yarns, and protects up to 2,000° F
  • Reduces under-hood temperatures by up to 70% and creates better exhaust flow
  • Flexible material conforms easily to the shape of one or more pipes to reduce waste and provide maximum efficiency
  • Cut- and abrasion-resistant fibers help protect finished metal by preventing scratching and damage caused from friction or loose debris
  • RoHS compliant
  • Halogen-Free
  • Asbestos-Free
  • Made in the U.S.A.USA


  Header Wrap SI Header Wrap
   Abrasion Properties
Abrasion Resistance Medium Good
Abrasion Test Machine Taber 5150 Taber 5150
Abrasion Test Wheel Calibrase H-18 Calibrase H-18
Abrasion Test Load 500g 500g
Room Temperature 75° F 75° F
Humidity 65% 65%
Material Showing Visible Wear 75 Test Cycles 400 Test Cycles
Material Destroyed 225 Test Cycles 500 Test Cycles
Pre-Test Weight 11,600.7 mg 13,162.7 mg
Post-Test Weight 9,518.62 mg 11,614.3 mg
Test End Loss of Mass Point of Destruction 2,082.08 mg 1,548.4 mg
   Chemical Resistance
Aromatic Solvents n/a n/a
Aliphatic Solvents n/a n/a
Chlorinated Solvents n/a n/a
Weak Bases n/a n/a
Salts n/a n/a
Strong Bases n/a n/a
Salt Water (O-S-1926) n/a n/a
Hydraulic Fluid (MIL-H-5606) n/a n/a
Lube Oil (MIL-L-7808) n/a n/a
De-Icing Fluid (MIL-A-8243) n/a n/a
Strong Acids n/a n/a
Strong Oxidants n/a n/a
Esters / Keytones n/a n/a
UV Light n/a n/a
Petroleum n/a n/a
Fungus (ASTM-D-2863) n/a n/a
Outgassing n/a n/a
Oxygen Index (ASTM D2863) n/a n/a
   Physical Properties
Flammability Non-Flammable Non-Flammable
Recommended Cutting Scissors Scissors
Stock Colors 1 2
Wall Thickness 0.0625 0.0625
Specific Gravity (ASTM-D-792) 2.2 2.6
Melt Point (ASTM-D-2117) n/a 1,200° F (649° C)
Maximum Continuous (MIL-I-23053) 2,000° F (1,093° C) 1,000° F (538° C)
Minimum Continuous n/a -70° F (-57° C)
Material Amorphous Silica Vermiculite Coated Fiberglass






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