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Level 4: 90HP (Performance): Ideal for users who want significant horsepower & torque gains
& 2019-2023 REQUIRE THE HP TUNERS ECM SEND-IN UNLOCK SERVICE
Tuning Package Includes:
2008-2010 6
5" Intermediate Charge Pipe With an 1/8NPT port included
Polar Diesel 2017-2026 Duramax 6.6L T304SS 5" Exhaust System serial-required Level 4: 90HP (Performance): IdealFitment & Features 2017 2026 Chevy GM 6. 6L L5P Duramax NOT Compatible with Cab & Chassis Trucks DESIGNED TO FIT CREW CAB SHORT LONG BOX & DUALLY, MUST BE MODIFIED TO FIT REGULAR CAB MODELS Raw T304 Stainless Steel Stronger Resistance Against Salt, Road Grime, & Rust Easy Installation w Pre bent Exhaust Hangers Stainless Lap Joint Clamps NOTE: THIS EXHAUST WILL ONLY FIT MODELS WITH OEM 4 BOLT FLANGE ON THE DOWNPIPE. DEPENDING ON CAB & BOX
