One of the first mods to my truck was the removal of the silencer ring. Definite audio improvement. No perceptible change in performance, though.
Image of ring installed and
image of turbo with no silencer ring.
I had the airbox out while installing an Amsoil air filter and noticed the small oval
tube connecting the airbox to the fender looked like a restriction so I removed it and
re-installed the airbox assembly. Now I can
really hear the turbo spool up and down, and the sound while going thru the gears brings a large smile upon my face! I don't know whether the Amsoil filter or the oval tube removal made the biggest difference in sound
but it sure does work! Again, seat of the pants difference is negligible. The stock paper filter is pretty thick, and probably deadens a lot of the intake noise.
I personally do not think that removal of the
silencer ring creates any anoying high pitched noise; in my opinion, it sounds great! I have driven to Austin and back, about 3 hours each way, and never once did I
wish that I had the ring with me to re-install it.
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Maybe some folks are sensitive to that frequency. At least give it a try; next time you are next to a Power
Choke, you will want to have as much turbo
noise as you can... those PSD's hardly emit anything from their turbos, sound-wise.
If any of you don't understanding what I am talking about, next time you see a Kenworth or other large 18 wheeler accellerate thru the gears, listen for the turbo... that is the sound my engine now makes.
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Chris
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'01 3500 QC 4x4 SLT, Dk. Garnet Red with tan interior.
ETC/5spd 3. 54 anti-spin,Line-X, Valentine 1, Kenwood
TM742 tri-band Ham Radio VHF/UHF/6M & GPS APRS Tracker N5CWM-2
Picture of my '01 3500