This timing belt is made stronger for the rigors of high-performance use. That said, Subaru gives the following warranty disclaimer:
Disclaimer of Warranties
Sold "as is" without any warranty coverage. Intended for off-highway application only. May bring vehicle out of compliance with safety/or emissions standards. Can only be lawfully installed by end user.
Fits all 2002+ WRX, including STi. Always change your timing belt at or before every 105,000 miles or every 7 years!
