Quick view HKS HKS Sport Exhaust - 98-05 Lexus GS300, 01-05 Lexus IS300 HKS Sport Exhaust - 98-05 Lexus GS300, 01-05 Lexus IS300 Sport Exhaust Systems are designed to reduce backpressure and increase exhaust flow for greater peak power and a broader torque band. Each Sport Exhaust application utilizes a... $1,031.25 Add to Cart