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I don't think opening up the engine, regardless of using GM parts (unless you're replacing or repairing for warranty purposes) will allow you to keep your powertrain warranty. If you put a cam in there, I don't think you're keeping any warranty; catbacks and CAIs- different story.
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'20 ZL1 Black "Fury"
A10, PDR, Exposed CF Extractor
Magnuson Magnum DI TVS2650R // RFBG // Soler 103 // TooHighPSI Port Injection // THPSI Billet Lid // FF // Katech Drop-In // PLM Heat Exchanger // ZLE Cradle bushings // BMR Chassis-Suspension Stuff // aFe Bars // Diode Dynamics LEDs // ACS Composites Guards // CF Dash // Aeroforce // tint // other stuffs |