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Vents Crankcase Blow By
5-2016 TRUCKS EQUIPPED WITH 3-BOLT FLANGE STYLE DOWNPIPE WILL REQUIRE THE 2011-2015 DOWNPIPE REPLACEMENT TO RUN THIS EXHAUST
4" Full Exhaust Fitment & Features
6L L5P Duramax
Universal Fitment with Options for Both 4" and 5" Exhausts
2019-2021 6.7L Cummins AMDP Tuning Full 5" Bundle vin-required Vents Crankcase Blow ByLIFETIME ACCESS GIVES YOU ACCESS TO THE COMPLETE AMDP CUSTOM ECM & TCM TUNING LIBRARY FOR THE LIFETIME OF THE TRUCK OR UNTIL AMDP DISCONTINUES SUPPORT. 2018+ 6. 7L CUMMINS WILL REQUIRE THE 2018+ CUMMINS BYPASS CABLE TO FLASH ANY TUNING (See Add Ons) Power Levels (2019 2021): Level 1: 0HP (Stock Optimized): Ideal for users not wanting to add power but wanting enhanced drivability or heavy towing applications over 15,000lbs Level 2: 30HP (Heavy Tow):
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