New, in the box, unopened, part #16679 for sale. Best internet price is $560.00. This is a cat-back kit for a standard Sport Trac, not Adrenalin. Make me a reasonable offer and I'll pay the shipping. need to clean out the garage. Also have a new, 55W, digital HID headlight kit from Retro Solutions. This is the best kit I've found for our trucks. Has all wiring, relays, bulbs, etc. Will include directions for installation. Very easy to do, great output and pattern! Paid $125.00, make offer.