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Flowmaster Heat Shield

Heat Shield Kit For 70 Series Big Block II Mufflers.

Part # 51022 Be the first to write a review
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This custom designed aluminum heat shield is pre-formed to fit all Flowmaster 70 Series Big Block II performance 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 5.00-inches tall, 11.00-inches wide and 22.00-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

About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.

Body Length (in)22
Body Width (in)11
Brand Flowmaster
Emission Code5
Mount TypeUses Factory Hangers
Product TypeExhaust Accessories
Thickness (in)0.031
California Proposition 65 RequiredNo
Part Number51022

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.

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

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    Some parts are not legal for use in California or other states with similar regulations.