I GOT A DC STYLE HEADER WITH DOWNPIPE, IT HAS AN O2 BUNG IN IT. FITS 90-93 INTEGRA. IT IS STAINLESS STEEL, AND SAID TO INCREASE 15 HP , CANT VERIFY THE GAIN BC I NEVER DYNOED IT BUT I RAN A 15.0 WITH HEADERS INTAKE AND PULLEYS SO ID SAY THEY MADE AN IMPROVEMENT , USED FOR 3 MONTHS BUT WENT TURBO. PICK UP IN NEW YORK AREA , PAID 200 SHIPPED ILL SELL FOR 100$. I ALSO GOT BASICALLY THE FULL INTERIOR FOR SALE BC THE CAR IS STRIPPED. EMAIL ME IF YOU WANT ANYTHING. THANKS