Here's a site you can find tons of after market auto parts and racing gear.
RiggsDiggs.com offers a massive amount of stuff for Ford Mustangs from earlier years to current years. Go to the top of the page and type in mustang into the search box and hit the question mark..Wala, like 10 pages worth. Here are some of the items that it will bring up..go to the end pages and find these items : VIS Racing Carbon Fiber Hoods, for Cowl Induction (87-05), Cobra R (87-04). Body Kits, Suicide Doors, 100"s of Die Cast Cars, Side View Mirrors with LED, Bezels, Exhaust, Wheels and Tires, Nitrous Kits, Bullydog, Supercharger kits and tons more stuff. The site shows the MSRP list prices and then shows you your discount and how much you pay...Rocking Discounts..worth checking out.