header clearance

[13nickels]

OBX headers. Anyone running these or know the ground clearance, also I have Eibach sportline springs. And do they bolt up to SLP loudmouth II exhaust.
http://cgi.ebay.com/ebaymotors/OBX-HEADER-98-99-CAMARO-FIREBIRD-TRANS-AM-LS1-F-BODY_W0QQcmdZViewItemQQcategoryZ33631QQihZ020QQite mZ300208248548QQrdZ1QQsspagenameZWDVW