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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
ECM SN AND COMPLETE MOD LIST INCLUDING TIRE SIZE IN THE ORDER NOTES
ca) in the Auto Agent app (please include VIN in the notes when linking)
Important: TCMs with broken tabs will NOT be accepted for upgrades
TCM TUNING REQUIRES AN UNLOCKED T93 GLOBAL B TCM (UNLOCKED VIA THE HP TUNERS SEND-IN SERVICE)
0L Duramax (Pick-up only)
Polar Diesel 2011-2015 Duramax 6.6L T304SS 5" Exhaust System serial-required ECM SN AND COMPLETE MODFitment & Features 2011 2015 Chevy GM 6. 6L Duramax (V BAND STYLE DOWNPIPE) NOT Compatible with Cab & Chassis Trucks DESIGNED TO FIT ALL CAB & BOX CONFIGURATIONS, MAY REQUIRE SOME MODIFICATIONS Raw T304 Stainless Steel Stronger Resistance Against Salt, Road Grime, & Rust Easy Installation w Pre bent Exhaust Hangers Stainless Lap Joint Clamps NOTE: 2015. 5 2016 TRUCKS EQUIPPED WITH 3 BOLT FLANGE STYLE DOWNPIPE WILL REQUIRE THE 2011 2015 DOWNPIPE
