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Calibrated Power Brand

Calibrated Power Brand

Calibrated Power, home of DuramaxTuner.com is a data-driven, market-leading automotive performance business. We are dedicated to providing high-quality engine calibrations, upgraded turbochargers, and other performance upgrades that represent the best mix of drivability, reliability, and power! We keep our edge by encouraging innovation. We drive and verify results by employing expert staff, who are equipped with the best tools in the business.
Regular price $3,052.00
Sale price $3,052.00
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Designed to take your stock or lightly modified 2017-2019 6.7L Power Stroke to the next level without all the hassle. The Stealth STR is easy to tune for and doesn’t require any custom tuning to ge...
Regular price $3,407.00
Sale price $3,407.00
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There's no better feeling than getting to upgrade your parts instead of just replacing them. That's exactly why we made the Stealth STR for 2024 and 2025 6.6L L5P Duramax's. Designed to improve tur...
Regular price $4,968.00
Sale price $4,968.00
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The Ultimate drop-in turbocharger upgrade for 2024-2025 L5P Duramax's is here! Capable of supplying up to 750HP worth of air flow, The Stealth Mach 2 was designed with all out performance and easy ...
Regular price $2,768.00
Sale price $2,768.00
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Built to dominate, and tested to prove it — this is the ultimate 3rd Gen drop-in turbo upgrade. Engineered for serious competition, it features advanced modifications like our custom Super Flow exh...