Aprilia RS 660 - Extrema | RAW Sound | DB Killer Removed
2024 Aprilia RS 660 Extrema exhaust sound without the DB Killer. This is what the bike sounds like when you remove the Decibel Killer / Baffle / Silencer for the SC Project stock exhaust. Click here for step-by-step Instructions on how to remove the DB Killer. • 2024 Aprilia RS 660 - Extrema | How To Rem...
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