they are not the same, you should look at a ford racing dealer (as they are cheaper than oem ford parts) and order one for around 75 bucks. I am also going to have to do the same thing for mine....
OEM ford are probably about 150 bucks lol..... no aftermarket place makes them. The mach 1 chin spoiler will not look right, its to short and points out.
Ford & Ford Racing Performance Parts - GEFRacing.com has always been really good to me in the past see what they have to offer (from ford racing)
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2003 REDFIRE COBRA #3938 of 5082 @ 05/27/2003 1 of 414
MGW Shifter, Stingers, JLT, SS Inserts, MM FLSFC & CC Plates, SS Lines, H&R Race springs, IRS Brace, MRT Hood Struts
ME.com Member #29 - 400rwhp/380rwtq