Acura RSX, ILX and Honda EP3 Forum banner
open header vs 3
1-1 of 1 Results
  1. All Motor RSX
    I have been looking for some opinions on a new exhaust with header and wanted to know what makes more power on a custom header with megaphone.. A cut out at the end of the header, which is like open header. OR A full 3" exhaust straight back. ?????
1-1 of 1 Results
Top