What material is best for a muffler cover?
Documented on the DIY Muffler Cover: Eliminate the Grass Fire Danger build
Published February 26, 2026
Stainless steel is preferred for durability and corrosion resistance at exhaust temperatures.
Full Answer
Stainless steel is preferred for durability and corrosion resistance at exhaust temperatures. Aluminum or aluminized steel can work but may not last as long near road salts or in high-heat conditions.
Documented In This Build
Related Parts
304 stainless steel sheet (approx. 12" x 12" x 0.030")
$25
High-temperature reflective/aluminum foil tape
$10
Stainless steel hose clamps (2)
$6
Steel mounting straps/brackets (2) and bolts
$8
Stainless pop rivets (pack)
$5
Related Tools
Drill (corded or cordless) with metal bits
Jigsaw or nibbler with metal cutting blade
Pop rivet gun
Metal file / deburring tool
Protective gear (gloves, safety glasses, hearing protection)
Angle grinder with cutting/finishing discs
