Give your first-gen Cummins some serious breathing room with a full 3-inch upgrade from the restrictive stock setup. Expertly crafted from mandrel-bent steel tubing with robust TIG welds and a chunky half-inch flange, this kit delivers a massive 77% boost in airflow over factory piping.

Equipped with heavy-duty 5-ply silicone couplers, stainless T-bolt clamps, and all required hardware, it plays nicely with or without your factory heater grid. Bolt it on to unlock crisp throttle response and let your 12-valve powerhouse truly sing off-road.