2006-2011 Honda Civic Downpipe Torque Specs

1.8L I4

Applies to 2006, 2007, 2008, 2009, 2010, and 2011 Honda Civic

Labor Time:2 hours

🔧 Torque Values7 specifications

Component	lb-ft	Nm	Notes
Cover Screws	8	10	—
⚠️ Exhaust Flange Bolts	33	45	Apply anti-seize
⚠️ Flange Bolts	33	45	—
Hanger Bolts	14	19	—
Heat Shield Bolts	7	10	—
Mounting Bolts	19	26	—
⚠️ O2 Sensor	33	45	Apply anti-seize to threads only

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

1990-1997 4.6L V8 Modular

2007-2012 3.7L I5

2011-2016 6.7L V8 Power Stroke Diesel

2022-2024 GT-Line Dual Motor AWD

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

The primary torque specification for downpipe on a 2006-2011 Honda Civic is 10 Nm (8 lb-ft).

There are 7 torque specifications for downpipe on the 2006-2011 Honda Civic 1.8L I4, covering all related fasteners and components.