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Application Note:
Upgrade your 2003-2007 5.9L Cummins with the Wehrli WCF100329-GW Stage 1 High Flow Intake Bundle Kit, engineered to deliver up to 60% more airflow than restrictive factory components. This complete system features a 3.5" high-flow intake horn, matching cold side intercooler pipe, and a 3" hot side intercooler pipe to create a smoother, higher-volume intake path. Built from high-quality aluminum and finished in a striking gloss white powder coat, this kit enhances both performance and engine bay aesthetics. Designed as a direct bolt-on upgrade, it improves throttle response, turbo efficiency, and overall drivability without requiring tuning. Retains factory mounting points for a clean installation and includes all necessary hardware for a complete setup.