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Modern Muscle Xtreme Internation Order Notice

International Order Notice:
International orders are required to be paid by money order or bank transfer. Please call or email for more information before placing your order. International import taxes and duties are the responsibility of the purchaser and are not the responsibility of Modern Muscle Performance / Modernmusclextreme.com.

Modern Muscle Performance offers in-house installation as well as other HEMI hotrod related services!

ModernMuscleXtreme.com Accepts:
Modern Muscle Performance Proudly Accepts Paypal

Modern Muscle Performance Proudly Accepts Visa, Mastercard, and Discover Credit Cards

Modern Muscle Performance Proudly Affirm as a Payment Method

We Currently Do Not Accept American Express.

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Granatelli Motorsports

Trackhawk Performance Thermostat Housing by Granatelli Motorsports

Prolong the life of the thermostat on your 2018-2019 Jeep Grand Cherokee Trackhawk by reducing head pressure on the thermostat...read more

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$147.25

International Order Notice:
First time international Modern Muscle Xtreme customers purchasing product in excess of $500.00 are required to pay by money order or bank transfer. Please call or email for more information before placing your order.

Modern Muscle Performance offers in-house installation as well as other HEMI hotrod related services!

ModernMuscleXtreme.com Accepts:
Modern Muscle Performance Proudly Accepts Paypal

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.