WTT: I have a DC Sports 4-2-1 Header off a 93 GS, part number AHC6005, retail price $409. I would like to trade straight up for a DC Sports 4-2-1, or 4-1 header for a 90-91 Integra, part number AHC6003. The only difference is the length of the pipe underneath before the cat. I would rather trade then modify. PM or email! I'd be willing to pay for shipping also, these headers are actually lightweight.