• Welcome to BrenTuning

    More than just a tuning shop, we offer a full line of parts, services, engine building, restorations, diagnostics and more! We have solutions to optimize your Porsche, BMW, Mercedes, Subaru, GT-R, GM, Ford, Mitsubishi and more!

  • Remote Tuning

    No tuner near you? We offer remote tuning options for many makes and models! From stock to fully built, we can provide safe and powerful mapping for your vehicle. All our calibrations are based off our in-house findings and will greatly improve power, performance and drivability!

  • Online Store!

    Hardware and software solutions for your vehicle!

    Keep checking back for new products, packages and deals

  • Research and Development

    We don't use YOUR vehicle for testing, we purchase our own shop cars. Our product is always ready and thoroughly tested before it's installed on the first customer's car. With results to back up our products, Brentuning is the easy choice for your aftermarket needs.

  • We Didn't Forget About You!

    We haven't forgotten about our roots and what made our shop so popular in the first place. Software and hardware solutions for your late model Evo or STI are always welcome


Mercedes C43/C400/C450 3.0TT M276 Dyno Tuning Available!

Mercedes C43/C400/C450 3.0TT M276 Dyno Tuning Available!


  BrenTuning is pleased to announce our custom dyno tuning calibrations for your Mercedes C43 AMG/C400/C450 with the 3.0 Bi-Turbo M276 engine!   We took a 100% stock C43 AMG and put it on our in house Mustang MD150 AWD Dyno for baseline runs. We took the best run of 3 which netted 341WHP/359WTQ. We



What We Offer

At BrenTuning we offer custom soltions for your automotive needs. We offer a full line of popular tuning suites including Cobb, EFILive, HP Tuners, Open source, CMD, and many more. Our primary goal is to maximize your vehicles potential while offering our services at an attractive price point with great customer service to back us. In addition to custom calibrations we also offer a full service shop which can tackle any job, large or small. High performance diagnostics, electrical diagnostics, general auto repair, engine building, parts sales and much more!


What We Can Do

Have you heard a lot about BrenTuning? Well believe the hype! We are your one stop shop for full builds and vehicle tuning. From Porsche to Subaru, GT-R to Mercedes, we have performance solutions that will solve your every need. Whether you are looking for a modest power increase for your daily driver or a full race car build for your track toy, we have you covered!

Competition use only parts are clearly labeled as competition use only in the product listing page and may only be used according to the guidelines posted on our Emissions Notice to Customers in California page