Quote:
Originally Posted by strictlypersonl
Unfortunately, it usually takes two people to get the pipes all the way in. One at the front with a rubber mallet, and a second one at the back to wiggle a bit.
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Or the person at the front can grasp the collector with both hands and wiggle it up and down rapidly while pushing vigorously
I think it makes this go better if you say: "YAAAHHHHGGGGG!!!" at the same time
Mine are ceramic coated on both sides of the joint. So I sand the headers with emery cloth to get them smooth. Make sure none of them are oval. If so, re-shape them round with channel-lock pliers. I smooth the inside of the collector pipes with a 2" brass wire wheel on a drill motor. I don't use sealant, because I have found that I need to remove the pipes from time to time. Some leak a tiny bit. For the first fitting, you can try Vaseline. Just apply liberally to the inside of the collector. It will smoke a lot when you start up, but it will burn off in a few minutes.
As was suggested above, mocking this up off the car first is helpful. The side pipes will line up parallel to the body when they are bolted to the rear mount strap and the front tabs are bolted.
Sam