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I helped out a bit when my TME exhaust (same as sold by IPD) was installed on my T4.
It's not real hard. It's usually easiest to removed the old exhaust with the mounting rubbers (the can slide off the hangers on the car body) and then swap these onto the new exhaust.
It's often easier to push the mounting rubbers onto the hangers than having to put in the screws, which secure the exhaust to the mounting rubbers, while putting it under the car.
The order of dis-assembly is: rear muffler first, then middle pipe. Re-assembly is the reverse, so put in the front pieces first and finish with the rear muffler. Having 2 people helps a lot to get the muffler in and at the same time connected properly.
Use the 'play' and rotation in the joints of the new exhaust to put it in nice and straight. Then secure the clamps nice and tight.
There are 2 potential 'trouble' areas you should keep an eye out for:
- The 'bend' to the rear muffler goes over the rear suspension and can potentially hit on the metal if the rubber mounts start to sag. Replacing the front rubber mount with the same type as the rear one (you will see that one is shorter and tougher) usually helps. In real bad cases it's rumoured that a mounting rubber from a Toyota Celica exhaust (even stiffer and shorter) can be used as well.
- The main tunnel has a 'hump' right after the cat-converter and the pipe just clears this. Often this is not a real problem as most exhausts tend to 'migrate' downwards a little after a while.
You may need to re-align the exhaust a bit after getting it good and hot and letting it cool. Stainless steel sometimes exhibits some slight shape changes, which could cause some part of the pipe to hit the bodywork. I did not have that problem, but it does happen sometimes.
Hope this helps..
Bye, Arno.
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