*May require modification to exhaust flange or Catalytic-Converter and or Crossmember modification depending on your chassis. Several aftermarket Crossmembers are available for most applications to ensure proper fitment on these vehicles. Also if you are installing this header on a Automatic or SH Prelude you may need to switch your oil pan to a standard steel M/T oil pan.
Please Note that these H22A VTEC TRI-Y Race Headers are NOT AC Compatible and further installation modifications may necessary for some applications. For H2B Swaps please use the High End H2B Conversion Header.