Quote:
Originally Posted by laynlo15
We did replace exp998, I don't remember how loud yours was since that was a ways back and I know it was louder then mine, I also didn't have one at the time side by side to compare as the two 16 Caddy's. Mine is pretty quiet for the abuse its taken.
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The noise level between my first and second (core components only) is the same, overall nothing ever changed. But the shop said they installed Whipple recently and it made the same odd sound as my Magnuson. It would be nice to know exactly what causes it. I didn't hear it for the first 10,000 miles.