Excess Road Noise
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What type of "road noise"? Like the sound of wind rushing past a window seal, or the hum of tires on the pavement? If it's the latter, then it might just be the tires. Some tread patterns make a lot more noise than others.
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Some things like removed interior panels or carpet or this and that will greatly introduce more road noise in your car. I always find this out when im working on mine and need to go and get something. Like already said tires are a big factor also.
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I had the same problem with my z28 after I bought it. My noise sounded like "loud tires"
An example would be like a big 4x4 truck with mud tires. Well, not that loud but you get the point. Anyway, it got louder and louder; even after I bought brand new tires for it. Turns out my pinion bearing was shot in the rear end![Sad](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_sad.gif)
Hopefully it's just your tires though!
However, If it is the rear end, you can find a used one pretty easily for around $200. Only took me and a buddy 3 hours to swap the entire rear also
An example would be like a big 4x4 truck with mud tires. Well, not that loud but you get the point. Anyway, it got louder and louder; even after I bought brand new tires for it. Turns out my pinion bearing was shot in the rear end
![Sad](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_sad.gif)
Hopefully it's just your tires though!
However, If it is the rear end, you can find a used one pretty easily for around $200. Only took me and a buddy 3 hours to swap the entire rear also