Exhaust System, Installing Without Tension

Procedure 

• Align the exhaust system when cold.

Vehicles without clamping sleeves between Y-pipe and rear mufflers 

Fig 1: Pressing Center Muffler Toward Front

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the screws on the front clamping sleeves.

-- Push the exhaust system far enough forward -arrow- until the pre-load on the retaining loops at the Y pipe is -a- = 6 to 10 mm.

-- Tighten the clamping sleeve threaded connections evenly.

Vehicles with clamping sleeves between Y-pipe and rear mufflers 

Fig 2: Pressing Center Muffler Toward Front

Courtesy of AUDI OF AMERICA, LLC

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

-- Push the exhaust system far enough forward -arrow- until the pre-load on the retaining loops at the Y pipe 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 Retaining Loop Pretension

Courtesy of AUDI OF AMERICA, LLC

-- Align rear muffler horizontally.

-- Tighten the rear clamping sleeve threaded connections evenly.

Vehicles with attached tail pipe trim: 

Fig 4: Checking Distance Of End Pipes At Left/Right To Bumper

Courtesy of AUDI OF AMERICA, LLC

-- Check distance of left and right tail pipes to bumper:

• Dimension -x- left = dimension -x- right.

Tightening Specifications 

• OVERVIEW - MUFFLER