Wehrli WCF100441-GB High Flow Bundle Kit Stage-2 for 17-19 Duramax L5P Gloss Blk

High Flow Bundle Kit Stage 2, for 2017-2019 D-Max L5P, Gloss Black Significantly increases airflow to your turbo producing improved horsepower and torque and cooler intake temperatures by drawing cold air through the hood Ram Air duct and inner fender. All aluminum 14 ga. construction features large diameter 4 in. piping with smooth aerodynamic bends. Improves intake air velocity, volume, and provides a more aggressive engine and turbo sound during acceleration. The intake horn is over an inch larger than 4 in. Aluminum intake pipe with Air box enclosure, dry filter assembly and Outerwears pre-filter cover, 4 in. Intake horn with PCV port and Surge Ring 3 in. Hot Side Intercooler Pipe & 3.5 in. Cold Side Intercooler Pipe CNC Machined Flange with Double O-Rings provides an improved sealing surface to eliminate boost leaks. OEM Clip Ring Design at Y-bridge connection replaced by high quality silicone boot and stainless steel t-bolt clamps for improved sealing and ability to hold higher boost pressures without leaking Silicone Boots, Stainless Steel T-Bolt Clamps, O-Rings, Intercooler Outlet Clip, Installation Hardware