C5 Corvettes Have a Fake Factory H-Pipe - Here is the Fix!

[Kenneth L Nielsen]

I didn't know until just recently the the H-Pipe on most C5 Corvettes is far less than ideal. The hole in each main pipe (within the H) is about the size of a nickel - instead of the full 2.5 inches.

Take a look at the problem, the solution an before and after sound clips.