Its not really supported but the factory system lasted, what 14 years? I think if it were supported the flex pipe would go a lot sooner because of how much the engine moves when its starting/shifting would put even more stress on that joint (or the cat mount, or something else) Perhaps putting a hanger there would help, but I wouldn't force it in one position. It does need to move and expand when it heats up (500-1000 degree changes expand and fatigue parts too!)


Here's information on putting it all together:


Installing system assembly
To avoid tension in the system follow the following procedure:
1. Thread the silencer tail pipe between the floor and rear axle.
2. Then hang the silencer from the rubber mounts.
3. Install the three-way catalytic converter (TWC) and partially tighten the flanged joint to the exhaust manifold
4. Connect the exhaust system to the three-way catalytic converter (TWC), lubricate the terminal with copper paste (P/N 1 161 035-9). Align the other exhaust system components.
5. Tighten the three-way catalytic converter (TWC) to the exhaust pipe. Tighten the nuts to the top of the thread and then tighten to 10 Nm.
6. Tighten the front/rear pipe connections to 25 Nm.
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If you're not driving it "like its stolen," are you really driving?