Cummins Holset HX35 HY35 Silencer Ring Removal
 Your going to need two small flat screwdrivers to pry the snap ring out of the groove. As you see in the top picture one side has a tip that you can pry against.
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 Once the snap ring is out just tip the silencer ring out.
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 This is your turbo now without a silencer ring.
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Remember removing the silencer ring will not improve performance at all. There is no gain in horse power or torque numbers. This has been tested on a dyno and no improvements have been found from removing the silencer ring.
But you will notice a whistling noise as the turbo spools up... That's it!