1.0RVS Performancehttps://www.rvsperformance.com/liveSTM RS1Tuner Secondary - RVS Performancerich600338<blockquote class="wp-embedded-content" data-secret="uW5NCAoKQL"><a href="https://www.rvsperformance.com/live/shop/stm-rs1tuner-secondary/">STM RS1Tuner Secondary</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.rvsperformance.com/live/shop/stm-rs1tuner-secondary/embed/#?secret=uW5NCAoKQL" width="600" height="338" title="“STM RS1Tuner Secondary” — RVS Performance" data-secret="uW5NCAoKQL" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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https://www.rvsperformance.com/live/wp-content/uploads/2020/01/STM__Secondary1.jpg600542This is a large finned style billet secondary that creates added cooling in the stock belt housing. It is all billet construction and capable of using compression springs with different spring rate options available. We have many helix angles see...