i have a 2001 zx2. i want to replace the factory muffler with a new, better sounding one. i don't want it to sound like a fart can either. any suggestions on a good sounding muffler? also what are the id and od dimensions on the factory muffler?

I have a Flow Master and it have a nice deep sound on mine.

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“If everything's under control, you're going too slow!"
Quote: Mario Andretti

"Beer is living proof that God loves us and wants us to be happy."
Quote: Benjamin Franklin

If you are going to stick with the stock piping, then borla is probably your best choice. It came stock on the S/R and sounds good. The stock piping is - I believe 1 7/8" inner diameter. You can get it necked up to 2" if need be.

It's a bit restrictive for a motor that can go to around 6.5 - 7 grand stock.

If you aren't staying with the stock size piping, 2 1/4 is about the best size for a N/A DD car as it will support between 225 to 300HP. It will also make the car louder.

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TwEECer - knock sensor turned off in tune.
21mm RSB, Iceman/Keman mod, 19# injectors