The best replacement for turbocharger is supercharger.

The best alternatives to turbocharger are rated as following:
★★★★★  supercharger
★  supercharger which is better
★  twin turbo
★  procharger
★  centrifugal supercharger
  turbo kit
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  diesel supercharger
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Your alternative for turbocharger is not listed? Suggest!
Speaking about turbocharger, one probably shouldn't forget about intercooler.

Other search terms related to turbocharger and their ratings are:
★★★★★ intercooler
★★★ supercharger
★★ intercooler engine
★ aftercooler
You have in mind a companion for turbocharger and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of turbocharger in all years. Click on graph for more.
turbocharger
supercharger
supercharger which is better