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TCM TUNING REQUIRES AN UNLOCKED T93 GLOBAL B TCM (UNLOCKED VIA THE HP TUNERS SEND-IN SERVICE)
ca) in the Auto Agent app (please include VIN in the notes when linking)
Quieter than Basic Mufflers
Medium Shift Points - Recommended for 35" tires
Offers Adjustable RPM Setting to Allow You to Set the RPM That Best Suits Your Needs
Polar Diesel 2011-2015 Duramax 6.6L T304SS 5" Exhaust System serial-required TCM TUNING REQUIRES AN UNLOCKEDFitment & 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
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