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Over 40 Years of HEMI Experience!

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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:

We Currently Do Not Accept American Express

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Modern Muscle Performance
340 Colonel Lee Road
Martinsville, VA 24112
Phone: 276-666-1934

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Hours of Operations (Eastern Standard Time):
Monday: 8:00 AM to 5:00 PM
Tuesday: 8:00 AM to 5:00 PM
Wednesday: 8:00 AM to 5:00 PM
Thursday: 8:00 AM to 5:00 PM
Friday: 8:00 AM to 5:00 PM
Saturday: Closed
Sunday: Closed

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How Affirm Works

DODGE, CHALLENGER, CHRYSLER 300, MAGNUM, CHARGER, LX, LC, RAM, JEEP®, WRANGLER™, GRAND CHEROKEE™, WJ™ and other names used in on this website are registered trademarks or trademarks of FCA US, LLC or their respective owners.

Rates from 0-36% APR. Payment options through Affirm are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. CA residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lenders Law license. For licenses and disclosures, see affirm.com/licenses. For example, a $800 purchase could be split into 12 monthly payments of $72.21 at 15% APR or 4 interest free payments of $200 every 2 weeks.

Modern Muscle Xtreme Newsletter

Email *

MMX Custom Product Payment Method

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:

We Currently Do Not Accept American Express

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.

Copyright © 2026 Modern Muscle Xtreme, All Rights Reserved.

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