Chevy LS6 Intake Upgrade Guide
The Chevy LS6 engine debuted alongside its little brother, the LS1, in 2001. It was used in the C5 Z06 Corvette’s and the first-gen Cadillac CTS-V’s from 2001 until 2005 when it was replaced with the LS2. Producing 405hp and 400lb-ft. of torque, the LS6 was pretty stout from the factory for it’s time. However,…