The best replacement for silencers is suppressors.

The best alternatives to silencers are rated as following:
★★★★★  suppressors
★  no string silencers
★  gemtech silencers
★  suppressor
  string stop

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Speaking about silencers, one probably shouldn't forget about guns.

Other search terms related to silencers and their ratings are:
★★★★★ guns
You have in mind a companion for silencers and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of silencers in all years. Click on graph for more.
silencers
suppressors
no string silencers