Ok, so I'm driving in 1st, I shift at 3K, and my RPMs go to 2250~, and same for 2nd, 3rd, and 4th. And when it does it in 4th, that means at 3K RPM in 5th, I'm sittin at 64 MPH.... I mean, I thought shifting into 5th was supposed to significantly drop your RPMs, like 2K~, not 600. I mean, when I get on the highway, and I'm going about 70 MPH, it sounds like my engine is about to blow up its revving so high, I mean, I cringe whenever I go any speed above 70 (note, I'm not specifically talking about 70MPH, I'm just saying that once I get going at high MPH its at very high RPM). In my old civic (it was auto...if that matters), I would get up to 100 MPH on the highway and it wouldn't even phase me.
Is something wrong with my car, or is it just me?
BTW, I do have a POS exhaust, its like all rusted and corroted, there's also a big ol hole in my cat. My friends grandpa said that replacing it would help, he said something about back pressure...any ideas?