Sinister Diesel

Sinister Diesel Cold Air Intake Chevy GMC Duramax 6.6L LML 2013-2016 The Sinister Diesel Cold Air Intake is a premium enhancement designed specifically for the Chevy GMC Duramax 6.6L LML models...

Sinister Diesel Cold Air Intake for 2011-2016 Ford Powerstroke 6.7L – Fits F-250 The Sinister Diesel Cold Air Intake is meticulously engineered to enhance the performance and efficiency of your...

Upgrade your 2019 and newer Ram 2500 or 3500 with the Sinister Diesel 6.7L Cummins cold air intake, designed to enhance turbo spool-up and throttle response. Crafted entirely in-house, this intake...