Upgrading Your Truck With an LBZ High Flow Kit

If you're looking to squeeze every bit of performance out of your 6.6L Duramax, installing an lbz high flow kit is probably one of the smartest moves you can make. Let's be honest, the factory setup on the 2006 and 2007 Chevy and GMC trucks was decent for its time, but it definitely left a lot on the table. The stock intake bridge and the piping leading to it are notorious for being restrictive, and if you've started adding power with a tuner or a bigger exhaust, those factory bottlenecks are holding you back. ...

May 6, 2026 · 7 min · Buckley Elmedina