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This PERRIN exhaust stud kit includes M10x1.25 studs and nuts at 37 mm length in a 3-piece kit sized for 2002–2014 Subaru WRX and 2004–2021 STI exhaust installs. The hardware kit is intended to replace or service exhaust flanges on the listed model years, providing correct thread pitch and length to fit the specified Subaru exhaust applications.
PERRIN 02-14 Subaru WRX / 04-21 STI Exhaust Stud Kit w/Nuts M10x1.25 37mm (3pc Kit)
