2006-2020 Lexus GS 350 Downpipe Torque Specs

3.5L V6

Applies to 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, and 2020 Lexus GS 350

Labor Time:2 hours

Torque Values (7 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	12	9	—
⚠️ Exhaust Flange Bolts	45	33	Apply anti-seize
⚠️ Flange Bolts	55	40	—
Hanger Bolts	23	17	—
Heat Shield Bolts	10	7	—
Mounting Bolts	31	23	—
⚠️ O2 Sensor	45	33	Apply anti-seize to threads only

The primary torque specification for downpipe on a 2006-2020 Lexus GS 350 is 12 Nm (9 lb-ft).

There are 7 torque specifications for downpipe on the 2006-2020 Lexus GS 350 3.5L V6, covering all related fasteners and components.