The sophisticated design We refined the new tail for the stock WRX S4 and arranged a total of 4 beautiful titanium tails on the left and right along the bumper design. Enjoy the street driving You can enjoy the sporty sound at the high rpm range and the bass sound at the low rpm range by good balance adjust for the pipe diameter, resonator, and silencer by only replacing the main muffler. A must have, for fun driving on various occasions like daily or holidays.
Certification No. JQR20222128 Main Material SUS304 Diameter of Tips φ90 ×2 Diameter of Main pipe φ54 Close noise level
Stock 79 dB (at idlling: 56 dB) HKS 89 dB (at idlling: 67 dB)
Minimum clearance from the ground after product installation
