HKS Legamax Premium Catback Exhaust - 2015-2021 WRX, 2015-2021 STI

Here, you are looking at the HKS Legamax Premium Cat-Back Exhaust System. This exhaust system features a unique piping design that will not only improve the power and performance of your vehicle, but it will also provide your vehicle with a more aggressive sound over the factory muffler. 

DETAILS:

• 304 stainless steel construction
• 3" piping diameter leading to the muffler
• Quad 3.50" polished tips
• Improves both horsepower and torque
• Improves throttle response with reduced turbo lag
• Creates a very aggressive exhaust sound
• Exhaust hangers welded onto the OEM locations for a direct fitment
• Includes new gaskets and hardware for the installation