01 TT Quattro 1.8T Downpipe Advice Needed
08-09-2018, 08:03 PM
#11
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i put the 42dd downpipe on our TT (225 chipped) and it felt like I added a second turbo! Was quite amazing what just replacing the dp did. Not the easiest install.. but can be done.
You MUST replace all your engine mounnts - engine, trans, and dogbone. or the engine will torque and the pipe will hit the body, then the driveshaft..over and over.. I went with the poly mounts. work great! Located the engine quite nicely.
Don't think about doing the job without doing the mounts.
Also, you will likely pull 02 sensor codes. Space the downstream sensors out of the stream and it will eliminate getting the codes.
Also replace the o2 sensors while you are there. There are cheaper alternatives that can be installed and work.
You MUST replace all your engine mounnts - engine, trans, and dogbone. or the engine will torque and the pipe will hit the body, then the driveshaft..over and over.. I went with the poly mounts. work great! Located the engine quite nicely.
Don't think about doing the job without doing the mounts.
Also, you will likely pull 02 sensor codes. Space the downstream sensors out of the stream and it will eliminate getting the codes.
Also replace the o2 sensors while you are there. There are cheaper alternatives that can be installed and work.
08-10-2018, 10:46 AM
#12
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