Vehicle Input

    Orange County Performance Shop


    Orange County Performance Shop

    Performance Part Installations


    • Brakes
    • Coilover Shocks
    • Exhaust
    • Suspension
    • Engine Upgrades
    • Superchargers
    • Wheel & Tire

    Laser Alignments


    • Laser Alignment
    • Corner Balancing
    • Aftermarket Friendly
    • Car, Truck, SUV

    Dyno Tuning

    Dyno Tuning

    • Dyno Pulls
    • Full Custom Tuning
    • Certified UpRev Tuner
    • (and Others)
    • Dynojet Dyno

    Full Builds

    Full Builds

    • Street Cars
    • Race Cars
    • Track Day Prep
    • Complete Overhauls

    Performance Shop Blog

    Performance Shop Blog

    Vehicles we Specialize in

    Service Area

    • Anaheim
    • Costa Mesa
    • Coto De Caza
    • Fullerton
    • Huntington Beach
    • Irvine
    • Laguna Beach
    • Laguna Hills
    • Lake Forest
    • Los Angeles
    • Newport Beach
    • Orange
    • San Diego
    • Seal Beach

    Auto Performance Shop

    Conveniently located in Orange County, our performance shop serves all of Southern California. STILLEN installs parts from all the manufacturers that are listed on our website. This includes, but is not limited to brakes, suspension, performance parts such as superchargers, intakes, clutch kits, exhaust systems and more.

    Although our performance shop is located in Orange County, California, many of our customers opt to have their cars shipped to our performance shop for more complicated installations such as engine rebuilds and superchargers. STILLEN employs ASE Certified professional technicians while providing them with the best equipment available.

    Directions to STILLEN's Performance Shop in Orange County

    STILLEN Performance Shop

    3176 Airway Ave.
    Costa Mesa, CA 92626

    Auto Performance Upgrades & Installations

    Here is a partial list of the auto upgrades and services we perform. We are the only certified Whipple Supercharger installer in Southern California.

    Dyno Tuning

    Here at STILLEN, we have an in-house Dynojet chassis dyno. The tuning software we use are HP Tuners, UPrev, SCT, and MAPECU. Our technicians are able to dyno tune your vehicle for a new forced induction kit or to simply optimize your naturally aspirated vehicle. All vehicles come from the factory with a generic “canned” tune. However, all cars and engines are different and can be optimized for local conditions, fuel, and modifications that may have been made to the vehicle.  Through dyno tuning, not only will the car see a gain in horsepower and torque, but in many cases we also see an increase in fuel economy as the car is running more efficiently. Come and get your car tuned by professionals at our performance shop in Orange County.

    Corner Balancing

    When installing coilover suspension, it is always a good idea to corner balance the vehicle after the installation. This ensures the vehicle has a 50/50 weight distribution which gives the driver the most neutral handling possible. Before beginning the corner balancing, our technicians ask a series of detailed questions to find out what the vehicles owner is looking for. Knowing details on how you drive your car and even your weight is crucial in achieving the best corner balancing.

    Certified & Authorized Performance Part Installer

    STILLEN is the only certified Whipple supercharger installer in Southern California and an authorized installer for these vendors:

    Performance Part Installers

    Performance Shop Specials


    Sport Car Specials Muscle Car Specials Truck SUV Specials

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