Acura RSX Performance Products. Our company offers a full line of performance brakes, exhausts, intakes, cam gears, springs, coilovers and more for your acura RSX. Hop Up Racing offers brands such as HKS, Tanabe, Tein, Greddy, Apexi, Borla, AEM, Injen, and more. If you have questions about a product or do not see something you are looking for then give us a call. Our sales reps are here from 10AM – 5PM PST (Monday-Friday) to help you!