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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
complete shim kit
May be used in GM
improved longevity in high boost applications
We recommend EZ Link tuning hardware and software for monitoring and ECM calibration
full electronic gear selection
17-21 Duramax L5P PPE Stainless High Flow Down Pipe Lift Pump complete shim kitThe stock L5P down pipe causes restriction and limits the movement of exhaust gasses. PPE solves this problem with the Three Inch 304 Stainless Steel Down Pipe that is engineered for superior flow. Upgrade your L5P and realize better performance. Kit includes a pre installed, woven titanium sleeve to reduce engine bay temperatures. The titanium wrap is secured with stainless steel clamps. GM Equivalent P N: 12671086 Made of 3 inch 304 stainless steel
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