Thread: Chambered exhaust
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Old 09-20-2014, 05:28 AM
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cobra 53 cobra 53 is offline
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Join Date: May 2006
Location: Denia / SPAIN, ESP
Cobra Make, Engine: NAF 289 Blue/White strips
Posts: 188
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My NAF 289 with 302/carburatet is equiped with Classic Chambered No Packed Mufflers

Body 24" od 3.5"
Body in/out 3"
Flow path 2.5"

Idling 850 RPM up to cruising speed at 2200 Rpm pleased rumble tone.
But up from dear to 6500 RPM, it sounds like it have to sound under power.

[ame="https://www.youtube.com/watch?v=7OM-rj1nnTg"]https://www.youtube.com/watch?v=7OM-rj1nnTg[/ame]
[ame="https://www.youtube.com/watch?v=HATFnrmNLUM"]https://www.youtube.com/watch?v=HATFnrmNLUM[/ame]
[ame="https://www.youtube.com/watch?v=b0JMKDKes0I"]https://www.youtube.com/watch?v=b0JMKDKes0I[/ame]
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Rico, NAF 289
Last edited by cobra 53; 09-20-2014 at 09:15 AM..
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