2015 Subaru STI stock clutch vs Exedy Stage 1 Heavy Duty Organic clutch both videos have similar mods besides clutch and a exhaust upgrade over the muffler and resonator delete, same road and similar temperature
First launch stock clutch, muffler / resonator delete , Cobb sf intake/ bpv / AP & Mtune
Second launch Exedy Stage 1 Heavy Duty Organic Disc Clutch, Invidia N1 Racing single exit exhaust, Cobb sf intake/ bpv/ AP & Mtune
![](https://i.ytimg.com/vi/evgdT3k6lPE/maxresdefault.jpg)