LS4 Front-Drives 2005-2009 - video of Dynomax Ultra-flo's/no resonator



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06 SS
10-10-2009, 11:56 AM
the first and last in a series of low quality video's of the SS. Tried to get a range of difference rpm and load.

cold start

http://s833.photobucket.com/albums/zz260/LS4Douglas/LS4%20Dynomax%20Ultraflo/?action=view&current=091.flv

hot start

http://s833.photobucket.com/albums/zz260/LS4Douglas/LS4%20Dynomax%20Ultraflo/?action=view&current=098.flv

random bits

http://s833.photobucket.com/albums/zz260/LS4Douglas/LS4%20Dynomax%20Ultraflo/?action=view&current=097.flv

http://s833.photobucket.com/albums/zz260/LS4Douglas/LS4%20Dynomax%20Ultraflo/?action=view&current=094.flv

http://s833.photobucket.com/albums/zz260/LS4Douglas/LS4%20Dynomax%20Ultraflo/?action=view&current=092.flv

http://s833.photobucket.com/albums/zz260/LS4Douglas/LS4%20Dynomax%20Ultraflo/?action=view&current=093.flv

TheMonteMan
10-10-2009, 03:14 PM
sounds good. i didnt like the cold start but it sounds good once it warmed up.
Count of Monte Carlo
10-10-2009, 06:46 PM
Has that earthy note almost like my setup.

CenTexSS
10-10-2009, 06:47 PM
Cold start sounded like shit! But sounded nice on the warm start
RickAKATed10
10-12-2009, 12:42 PM
Sounds very nice.
06 SS
10-18-2009, 05:37 PM
actually, I had the mic too close to it. In person, the cold start sounds pretty close to the hot start and once it comes off that 30 second 800RPM idle to the 600 or so normal one, it is hard to hear it from 10 feet away. Once it swings the tach a little it starts to growl and over 4000 under load or so it bellows pretty good. Just did not come out in the videos very well. Is much quieter in the real world. Just never found another sound-bite of them on an LS4 before.