Mint Condition 2006 Ford GT OEM Cat's P.N. RH PN 5E211 LH PN 5E213 removed them from my new 2006 GT with 132 miles for an upgrade project. Excellent - NEW conition. New Retail RH $ 1,273 LH $1,190 - ( Diff ? Go Figure : They are identical ) Total retail for Pair = $ 2,463 Selling Pair for $1,970 + S/H. Selling as pair only. Contact Allen through forum or at Astra@pobox.com.