Stage 1 High Flow Bundle Kit for 2013-2018 6.7 Cummins improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard working and high performance applications. - - Replaces the poorly flowing, small diameter, crushed, factory pipes with our heavy duty, high flowing 3.5" Diameter Pipes. Kit includes upgraded high quality silicone boots that withstand higher pressure and temperatures than the factory boots to increase reliability and eliminate blown factory boots. Made in the USA from high strength, heavy duty 14 ga. aluminum tube with smooth, aerodynamic mandrel bends for increased durability and optimized flow. - - Replaces the following MOPAR part numbers: 52014734AC, 52014734AA, 52014734AB, 52014735AB, 52014735AA. Wehrli Custom Fab High Flow Bundle Kit Stage 1, 3.5 in., 13-18 Cummins 6.7L, Gloss White. Replaces the smaller, restrictive factory pipes with high flowing 3.5" diameter pipes. Includes upgraded high quality silicone boots & stainless steel t-bolt clamps. Wehrli 13-18 Ram 6.7L Cummins 3.5in Intercooler Pipes Kit - Gloss White. High Flow Bundle Kit Stage 1, 3.5 in., 13-18 Cummins 6.7L, Gloss White. Will fit on stock truck no other modifications or upgrades necessary!. Hi Flo Kit Stg 1 13-18 Cummins Gloss Wht. Not compatible with Banks Intercoolers. 14ga HD Aluminum Construction. NO Tuning required, bolt on!. Custom Powder Coat Finish. Hi Flo S1 13-18 GW. Intercooler Pipe. Made in USA

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