Exhaust Efficiency & Sound Pressure Reduction are implemented together.
The turbo engine master HKS challenged to implement the following 3 characteristics together to develop Super Turbo Muffler.
Effective on stock to high performance vehicles w/ upgraded turbines.
The performance exhaust sound meets the JASMA standard.
Unique exhaust sound designed specifically for the engine.
HKS: Super turbo Muffler Evo X
Brand: HKS
Part Number: 31029-AM004
Stock images used. Actual product may vary.