Made the switch from mids to long tubes and it’s a night and day difference. I gained a 1.8mph in my trap speed with similar 3000 DA on 91 pump gas. They actually sound quieter at cruising speeds and louder at WOT. But I have long tubes to x pipe to c63 mufflers.
Mid length headers: Pull against a C6 Z06 with intake only
Long tubes: Pull against a C6 Z06 with intake only
Mid length headers: Pull against a C6 Z06 with intake only
Long tubes: Pull against a C6 Z06 with intake only
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