Kess 290 New Hot! May 2026

Here’s a useful, concise write-up on the KESS 290 New (often referred to as the KESSv2 “New” or KESS 3G), focusing on what’s actually different, practical usage, and real-world considerations for tuners and DIYers.

• Federal Use: This converter is legal for use on Federal EPA-certified vehicles (49-state legal).
• California: It is illegal to install this converter on a vehicle registered in California or on a vehicle that was originally manufactured to meet California emissions standards (check your VIN or emissions sticker under the hood). In those cases, you must use a CARB-compliant direct-fit converter.

What makes the "New" Kess 290 different? kess 290 new

Community and Support: The KESS 2.9L supercharger kit has fostered a sense of community among owners and enthusiasts. Online forums, social media groups, and specialized tuners have created a network of support and resources for those looking to upgrade their vehicles with the kit. Here’s a useful, concise write-up on the KESS