Subaru Impreza WRX STI Turboback exhaust sound DB Killer comparison

Comparison of the sound of a 3 Turboback Exhaust (with 200 cell cat and mid and rear muffler) with different DB-Killer Sizes. Launchcontrol at 3800 RPM 1.\r
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on my Subaru Impreza WRX STI I want to give you an impression of the different sounds the 3 TBE can do with and without a DB-Killer in the exhaust tip.\r
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Subaru Impreza WRX STi Exhaust Sound.\r
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Toyosport Auspuff mit und ohne DB- Killer! DB-Killer hört sich nicht nur schei** an, er sieht auch noch so aus!\r
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2007 Ford Fiesta ST190 - Cobra Non-resonated Decibel Killer Install. SKIP TO 2:34 TO MY NEIGHBOURS PIMPED VW UP! Couldnt find any guides, pics or .