Like they said. Its easy. Get under the car. There are 2 bolts in taking off the stock muffler and some rubber hangers. 4 bolts putting on the new one. It is simple. If you get under the car, you can easily figure this out. Good luck. There is probably an install guide in the install section.
so by doing this its would give the better louder sound and more hp?
I actually got to stand behind my celica today while my dad was driving it and I have never heard such a nice sounding exhaust system ever...I couldn't believe it... you will get about 6 or something added hp to the wheels.
its a bit harder but you don't need a jack to do it, i didn't feel like having the car fall on my head so i just went under the back and pulled hard til it all gave out. It took maybe 20 minutes of pulling to get the old one out and about 5 minutes to put the new one on. And yes, the exhaust sound out of a celica is extremely nice, my friend stole it the other day for a lap around the block and it didn't bother me much because it was worth hearing the sound. The car was returned safely.
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