Ok, I've searched around, so don't start flaming at me and tell me to search. I just received my test pipe from testpipe.com I've read that test pipes have that buzzy bee sound so I ordered a resonated test pipe from that site. I know what a buzzy bee sounds like and I absolutely hate it. Now I'm wondering, will that still sound like a buzzing bee just like a regular test pipe? Also, I've searched around other forums and found that a guy in the prelude forum installed his test pipe and actually lost some low end. Is this true? I thought test pipes were supposed to give you some low end as well as high end. If you people have test pipes, tell me if you lost or gained some low end. I was hoping to gain some low end after I lost some with my cat-back. Oh by the way, its a 2.25" test pipe, and I have a 2.25" cat-back. And don't even mention about emissions because I don't have emissions here. I have an OBD2 car and I know I'm expecting a check engine light, so how much is it to convert into an OBD1? And if thats too expensive, where can I get an 02 simulator and for how much? I don't know how to make one, so don't give me a site that tells you how to make one. Thanks for any input.