100DB Track Limit

gomer_110

I do autox with SCCA. Generally they setup the sound meter along the course at a point where most people will be near redline. I'm sure I've been measured everywhere from 5500 to 7600 rpm.

Do you know what the settings on the sound meter are. Most have a peak capture mode along with an averaging mode. Averaging mode is what most organization use because peak basically screws everyone. I've see bone stock 911 GT3's hit 100 when measured in peak mode.

Easiest first attempt to get quieter would be to get some 90° ductwork elbows that will slip over the exhaust tips and use hose clamps to secure them in place. Make sure they are pointed down at the ground. This should help noticeable. It won't look pretty but won't lose performance and they can be removed after the event.

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