Modern Muscle Performance / Product Warranty Info:

While we stand behind our products and services 110%, due to the nature of use and the many variables surrounding their manufacturing, installation, and tuning we cannot offer a warranty. As our countless satisfied customers will testify, our products and services are among the finest in the market and we are always available for troubleshooting if the need arises. We thank you for your patronage, and look forward to many more years of cutting edge products for the Gen3 HEMI platform!

Sales Tax:  Sales tax at Modern Muscle Xtreme (MMX) and its subsidiaries is based on State and local requirements. For more information, please reference our Sales Tax Policy page.
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