Exhaust System, Installing Without Tension

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2017 Audi S5, 2016 Audi S5, 2016 Audi S4, 2015 Audi S5, and 2015 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

Procedure

Align the exhaust system when cold.
Tightening specification: Refer to OVERVIEW - MUFFLER .

Vehicles without Double Clamps between Center and Rear Mufflers

Fig 1: Identifying Demension -A- For Retaining Loop

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the bolts on the front clamping sleeves.

-- Push the exhaust system far enough forward -arrow- until the pre-load on the retaining loops in front of the center muffler is -a- = 6 to 10 mm.

-- Tighten the clamping sleeve threaded connections evenly.

-- Align the tail pipes. Refer to TAIL PIPES, ALIGNING .

Vehicles with Double Clamps between Center and Rear Mufflers

Fig 2: Identifying Demension -A- For Retaining Loop

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The center muffler also needs to be aligned on vehicles with clamping sleeves between the center and rear mufflers.

-- Loosen the bolts on the front and rear clamping sleeves.

-- Push the exhaust system far enough forward -arrow- until the pre-load on the retaining loops in front of the center muffler is -a- = 6 to 10 mm.

-- Tighten the front clamping sleeve threaded connections evenly.

-- Push rear part of exhaust system far enough forward -arrow- so that the pretension at rear retaining loops of rear mufflers is -a- = 11 to 15 mm.

Fig 3: Identifying Demension -A- For Retaining Loop

Courtesy of AUDI OF AMERICA, LLC

-- Align rear muffler horizontally.

-- Tighten the rear clamping sleeve threaded connections evenly.

-- Align the tail pipes. Refer to TAIL PIPES, ALIGNING .