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famoroso famoroso is online now
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Join Date: May 2015
Location: San Francisco & San Diego CA
Posts: 2,292
"Glancing blow" Nice.

Thanks for the explanation.

May explain why Car Bone opted to not crossover their muffler flow...




https://www.carbone.pl/en/products/carbone-active-bypass-muffler-gtu_07-5051


There are SO MANY muffler options nowadays, including valved / active configurations. It's an embarrassment of riches. Oh how I'd love to dyno them all back to back to back to...
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Frank Amoroso
911 M491 / M470 coupes:
1987 GP Wht / Blk "Apollo"
1987 Gemini Blue / Blk "Gemini"
1989 GP Wht / Blk "Vents"

Last edited by famoroso; 04-29-2025 at 10:21 AM..
Old 04-29-2025, 10:17 AM
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