How much wrap do you need? Use this hand exhaust wrap calculator to save time and money. Don't get stuck without enough wrap and don't spend more money than you need to. The actual length of wrap needed will vary with installation procedures, but this exhaust wrap calculator will get you very close.


This exhaust wrap calculator is a tool to estimate how much exhaust header wrap you will need for your headers, downpipe, or exhaust system. Calculations are a guide only! Actual usage will vary depending upon installation. Tighter installation of exhaust wraps on the pipe results in smaller header wrap needed.

Enter Exhaust Dimensions



Suggested Exhaust Wrap Widths:

  • 3/4 to 1 - 1/2 inch exhaust pipe OD use 1 inch wide wrap
  • 1 3/4 to 3 inch exhaust pipe OD use 2 inch wide wrap
  • 3 to 4 inch pipe OD use 2 or 3 inch wide wrap
  • 4 to 5 inch pipe OD use 2, 3 or 4 inch wide wrap
  • 5 + pipe OD use 3, 4 or 6 inchwide wrap