WRX STI & S4 stainless steel muffler Debut.
In this time, we have released all stainless steel (SUS304) muffler only for the WRX STI (VAB) and the WRX S4 (VAG). Regarding a layout, it is the same made of Titanium, which has released earlier.
The line-up will be below.
PREMIUM01S for WRX STI
PREMIUM01S for WRX S4