2015-2018 Subaru WRX / STI HKS Hi-Power Cat Back Exhaust System
HKS has taken their time to design a free flowing exhaust that sounds great. Low exhaust resonance is eliminated with sound tuning from the built in resonance pipe.
2015-2018 Subaru WRX / STI HKS Hi-Power Cat Back Exhaust System
HKS has taken their time to design a free flowing exhaust that sounds great. Low exhaust resonance is eliminated with sound tuning from the built in resonance pipe.