![]() The line PSI is modified in such a way that the truck will still retain good mileage, yet hold high line psi-close to 300psi under full load. ![]() Increase the power of your LML and achieve that aggressive sound youve been looking for. Flo-Pro Exhausts are designed to fit all wheelbase & cab configurations unless otherwise specified. To prevent this we recommend TCM tuning to achieve maximum tuning benefits! This tuning features a more aggressive line psi slope which will model a torque curve 100% above stock. Fits: 2015.5-2016 GM LML w/ 6.6L Duramax & 3-Bolt Flange At The Downpipe. While the stock tune is perfect for the transmission line pressure, this is not so once you've tuned your rig and increased your max torque the line pressure will be lower than what is needed. Transmission Tuning ($299) will help prolong the life of your 2011-2016 6.6L GM Duramax LML as well as give you some big performance boosts! ALL SALES ARE FINAL! PLEASE REFER TO OUR RETURNS POLICY FOR FUTHER INFORMATION NOTE: PPEI RACE TUNERS ARE NOT ELIGIBLE FOR RETURNS.Please allow 2-3 business days for order fulfillment.Included in autocal purchase: Written instructions, koozie (if available), and a sticker decal My truck is an 03 LB7 was wondering how often should I replace the 2 filters on my Fass 150 gph pump. ![]() This PPEI EFILive AutoCal is custom-tuned by Kory Willis for your 2011-2016 Chevy/GMC Duramax LML 6.6L diesel and is available as a single-tune or DSP5 autocal (DSP5 switch required).
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