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The WCFab Stage 3 High Flow Bundle for 2006–2007 Chevrolet 6.6L Duramax LBZ adds a 3in stainless downpipe to the Stage 2 intake and intercooler upgrades, improving both intake and exhaust flow for better turbo efficiency. The kit includes 4in aluminum piping, a 4.8in intake horn, CNC machined flanges, double o‑ring seals and high‑quality silicone boots and clamps. Finished in Gloss White, it installs as a bolt‑on upgrade with no tuning required.
Wehrli 06-07 Chevrolet 6.6L Duramax LBZ Stage 3 High Flow Bundle Kit - Gloss White
