S550 Mustang (2015-2023) Side & Rear Splitter Combo Save some money with our Side & Rear Splitter Combo! Made from our tried and true Aluminum Composite Material, not only fit perfect, but have a nice aggressive appearance! Complimenting the Side Splitters, our S550 Rear Splitters are 1/4 inch... MSRP: Was: Now: $349.99 Add to Cart