THIS IS A LEFT SIDE EXHAUST MANIFOLD THAT CAME FROM THE FACTORY ON THE 1969 FIREBIRD 350 OR 400.THE 67-69 FIREBIRD NEEDS THE CENTER OUTLET MANIFOLD ON LEFT DRIVER SIDE OR WON'T FIT. IT HAS A DATE CODE OF (F-25-9). JUNE, 25 1969 - FOR THE 1969 NEW YEAR. IT IS AN ORIGINAL LEFT HAND OR DRIVER SIDE EXHAUST MANIFOLD WITH THE PART NUMBER # 9796155. THE THREADS ARE GOOD. NO DAMAGE. HARD TO FIND. EMAIL QUESTIONS. $35.00 SHIPPING IN LOWER 48 STATES. THANKS FOR LOOKING.