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Volvo 240 with 338 V8 and headers quite loud

posted by  Volvodad on  Fri Jul 22 20:05 CST 2011
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last visit: Thu Oct 23 16:18 CST 2014
[RELATED]

On my 745 with LT-1 V8 and 3-in single exhaust, I found a significant reduction in noise with downward-angled tips on the dual outlets of the rear Dynomax. The tips put the openings behind the rear bumper and "aim" the noise down.

I had earlier removed them to better hide the outlets (increase the stealth factor), but the noise increase was too much, especially after a while on the highway. The low rumble was turned into a harsh drone.
--
Bob: son's XC70, dtr's '94-940, my 81GL, 83-DL, 89-745(V8) and 98-S90. Also 77-MGB and some old motorcycles.






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