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Thank you for visiting Defier Performance

Welcome to the Mopar Family! We assure you with over 25 years of Mopar/Hemi experience, you will be happy with your build and our products.

Feel free to contact us about your next complete build, our Hellcat Supercharger kits for 5.7, 6.1, and 6.4, or even something as simple as headers, camshaft upgrades and muffler deletes.

We will help you find the right performance mod for your budget.

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