Exhaust System, Installing Free Of Tension, Vehicles With Two Rear Mufflers: Notes

Procedure 

• Align the exhaust system when cold.

Vehicles without A Clamping Sleeve Between Center and Rear Mufflers 

Fig 1: Pressing Center Muffler Toward Front

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the bolts on the front clamping sleeve.

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

-- Align rear muffler horizontally.

-- Check the distance between the tailpipe and the bumper:

Fig 2: Checking Distance Of End Pipes At Left/Right To Bumper

Courtesy of AUDI OF AMERICA, LLC

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

-- Tighten the clamping sleeve threaded connections evenly.

Vehicles with Double Clamps Between Center and Rear Muffler 

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

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

Fig 3: Pressing Center Muffler Toward Front

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the front clamping sleeve threaded connections evenly.

-- Push the rear muffler far enough forward -arrow- until pre-load on the rear retaining loop on rear muffler is -a- = 11 to 15 mm.

Fig 4: Pressing Center Muffler Toward Front

Courtesy of AUDI OF AMERICA, LLC

-- Align rear muffler horizontally.

-- Check the distance between the tailpipe and the bumper:

Fig 5: Checking Distance Of End Pipes At Left/Right To Bumper

Courtesy of AUDI OF AMERICA, LLC

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

-- Tighten the rear clamping sleeve threaded connections evenly.