Welcome to Sinister Performance

• Sinister Performance is the premiere Mopar Performance and repair facility in Northern California. We have over 25 years of combined experience working on Chrysler/Jeep/Dodge vehicles including Viper and Cummins Diesel in a dealership setting. We are the ONLY shop you should consider when it comes to your Mopar vehicle. Whether it’s general maintenance and repair or all-out performance upgrades, including superchargers, full engine builds, transmission, differentials, suspension, Diesel Turbo and fuel system upgrades, and custom electrical work, we are the smart choice. We also offer full Dyno Tuning with the Diablosport Predator via the CMR software.
• We are ASE Master Certified
• We are all Chrysler Certified Master Technicians.
• We are fully accredited by the Better Business Bureau and hold an A+ Rating