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Banks Power 3.5" boost tube upgrade kit for 2020–2026 Chevy/GMC 2500/3500 6.6L Duramax (L5P) replaces constricted factory plumbing with mandrel-bent aluminized steel piping and 5-ply silicone couplers. The larger constant-diameter tubing and billet venturi cold-side adapters improve airflow and boost retention to reduce lag and speed spool. Kit includes powder-coated tubes, spring-loaded constant-tension clamps and provision for a temperature probe.
Banks Power 2020 GM 2500/3500 6.6L L5P Boost Tube Upgrade Kit - Red
