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Exuast piping & mufflers
Ok, so I'm doing a 3sgte swap into my celica.
I plan on going 3" all the way back. Now I've seen 2 different types of mufflers.
2 1/2"Inlet W/4" tip
3" Inlet W/3 1/2" tip
Just wondering which would be a better set up. I've heard a little bit of back pressure is good, Thats why many people go with 2 1/2 exaust pipes.
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