The Wehrli Custom Fab Stage 3 high-flow intake bundle for 2001–2004 Chevrolet 6.6L LB7 Duramax replaces restrictive OEM piping with a fabricated aluminum intake, 4in turbo horn, 3in intercooler piping and 3in downpipe to improve airflow, turbo spool and throttle response. Kit includes air box with dry filter and pre-filter cover, high-quality silicone boots, clamps, hardware and a choice of custom powder-coat finishes.
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Gloss White