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Contact MMX / Modern Muscle Xtreme
Need help with a Gen3 HEMI part, fitment question, or order? Reach the MMX team by phone, tech text, email, or the form below. For complete build combinations, use our Build Quote form.
We typically respond within one business day during shop hours (Mon–Fri, 8 AM – 5 PM ET).
Call 276-666-1934
Sales, orders & general questions
Text Tech 276-403-7428
Technical questions via text only
Request a Build Quote
Cams, MDS, power goals & combinations
Shop Contact Info
MMX / Modern Muscle Xtreme
340 Colonel Lee Road
Martinsville, VA 24112
Main Phone: 276-666-1934 (sales & orders)
Tech Text Only: 276-403-7428 (please include year/make/model/engine)
Email: customerservice@modernmuscleperformance.com
Messenger: Chat with MMX on Messenger
Hours (ET): Monday–Friday, 8:00 AM – 5:00 PM
Saturday–Sunday: Closed
Send Us a Message
Please include your vehicle (year, model, engine) and what you’re trying to accomplish so we can reply with the right recommendation the first time.