All HKS exhaust systems are engineered for high-performance and durability. Each bolt-on system features high-quality mandrel bent, bake-coated aluminized steel piping and application specific muffler assemblies to maximize horsepower and torque gains.
Engineered for turbo applications, HKS Turbo Exhaust systems offer increased exhaust flow characteristics for gains in boost pressure, improved response and an average 15-30 horsepower overall gain.
The RX-7 '93-'95 Turbo Exhaust features 75mm piping diameter and a 120mm N-1 tip. The RX-7 '86-'91 Turbo Exhaust ($649) features dual 55mm diameter piping and 76mm R-1 tips.
