3.5" Polished Turbo Intake Horn Kit For 2017-2019 GM 6.6L L5P Duramax 3.5" Polished Turbo Intake Horn Kit For 2017-2019 GM 6.6L L5P Duramax Features:No tuning required for installation. Will fit with OEM or any aftermarket intake. MSRP: Was: Now: $149.95 Add to Cart The item has been added