Need advice

I overstaied in U.S. FOR 1.5 YEARS AND NAW I HAVE TO LEAVE... I AM PLANING NOT TO SHOW MY i-94 FORM TO CUSTOM OFFICER (JUST TO SHOW RESPONSE OF INS TO MY CASE ).Do i have any chance to do that? Or what to do instead? Please , give me advice!!! Thanx.

I overstaied in U.S. FOR 1.5 YEARS AND NAW I HAVE TO LEAVE... I AM PLANING NOT TO SHOW MY i-94 FORM TO CUSTOM OFFICER (JUST TO SHOW RESPONSE OF INS TO MY CASE ).Do i have any chance to do that? Or what to do instead? Please , give me advice!!! Thanx.