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With more than 375 dealers throughout North America, Diesel Spec can offer you support and quality services no matter where you are…Don’t be fooled by those repair shops offering inadequate low price tunings with no support and offering no warranty that can have you spending tons of money down the line, trying to solve problems they created in the first place. Our team of professionals are there to ensure that the job is done the right way the first time around.

Since 1987, Diesel Spec has been an industry leader in diesel engine tuning. Our sophisticated ECM tuning tools are among the most efficient on the market and are sold across the world. Through our cutting-edge professional and quality services, we ensure the optimal performance of diesel engines and fuel economy while offering the best warranty on the market. If you would like to learn more about our services, our team will be more than happy to advise you on the services and products that are best suited to your needs. Get in touch with Diesel Spec today!