Downpipe Torque Specifications

1998-2001 Subaru Impreza 2.5L H4

Labor Time:2 hours

Torque Values (7 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	11	8	—
⚠️ Exhaust Flange Bolts	45	33	Apply anti-seize
⚠️ Flange Bolts	47	35	—
Hanger Bolts	20	15	—
Heat Shield Bolts	10	7	—
Mounting Bolts	27	20	—
⚠️ O2 Sensor	45	33	Apply anti-seize to threads only

The primary torque specification for downpipe on a 1998-2001 Subaru Impreza is 11 Nm (8 lb-ft).

There are 7 torque specifications for downpipe on the 1998-2001 Subaru Impreza 2.5L H4, covering all related fasteners and components.