CRP Stage 4 or 5 ? Help

Mark Basler

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I have done A lot to my 2018 Raptor. I just hit 50k miles and am going to upgrade Turbos . I have AFE CAI and Misimoto Intercooler. Tune I have gets most out of Stock turbos.
I am adding Downpipe High flow Cats and New AFE Manifolds. Am I ok to use CRP stage 4 or Stage 5? I would 520 to 560 RWHP ? I do not want to rebuild or blow stock 3.5 motor. Do I need to worry that I’m asking to much from stock internals?
 
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