1Lift the car up, if you don't have a lift, lift up the back end so you can get under it. Use ramps or a jack, whatever you have. Do not use only a jack, it may fall on you. When using ramps be sure to lock the emergency brakes and block the front wheels.
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2Assess the condition of all the parts of your exhaust system before beginning. If you need to begin at the exhaust manifold, the crossover pipe, or the catalytic converter, plan on ordering all of the needed parts prior to removing the old exhaust system
3Lie on your back and position yourself under the car until you are looking at where the pipes bolt onto the catalytic converter.
4Unbolt the stock exhaust system starting from the back of the car and work your way forward. Generally, the bolts are rusted and hard to get off unless you have an impact gun. Use some WD-40 to penetrate the bolts. Use some elbow grease as well.
5Remove the exhaust you're going to replace. Remove them from the hangers and set all of your parts aside. You should now have all the piping removed and lots of rust all over you.
6If you have new hangers (recommended as stock ones are soft and old), cut the old ones off with some kind of cutting tool (dremel will work).
7Depending on the type of hangers your car has, put the new hangers onto the exhaust pieces first, this is usually an easier way to put the exhaust parts back on.
8Starting from the front of the car, hang the exhaust part up then bolt it onto the pipe before it, do not tighten all the way until you have all pieces on.
9If you don't have new gaskets to put between the pipe segments, either buy some new ones or you can use the old ones if they're the right diameter. Its best to have new ones to prevent exhaust leaks later.
10After all pipes are attached, start tightening each segment to the first. Use a good amount of torque on each bolt to make sure its tight.
11When you get to the back, take a few steps back and make any alignment adjustments you need so that the tailpipes are even with the bumper and look good.
12Double check and tighten all the bolts.
13Start the car up and locate any leaks you may have. HAVE FUN
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