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Flowmaster Heat Shield

Heat Shield Kit For all 40 Series Mufflers.

PART# 51013

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This custom designed aluminum heat shield is pre-formed to fit all Flowmaster 40 Series mufflers and attaches easily with included stainless steel muffler straps. Adding a heat shield to your muffler gives added protection in reducing exhaust heat radiated through the mufflers and also helps reduce interior noise. May fit all mufflers with an approximate case thickness of 4.00 to 5.00-inches tall, 11.00-inches wide and 13.00-inches in length.


  • Added Protection for Vehicle Floor Boards
  • Lightweight Aluminum Construction
  • Dissipates Exhaust Heat Quickly
  • Stainless Steel Muffler Clamps
  • Reduces Interior Noise
  • Flowmaster Quality


Emission Code5
Muffler Body Length (in)13
Muffler Body ShapeOval
Muffler Body Width (in)11
Product TypeExhaust Accessories
California Proposition 65 RequiredNo
Part Number51013



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Universal Item - Not a direct fit. Some adaptation required.
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