Black Friday and Cyber Monday Sale at MMX /!

Black Friday and Cyber Monday Sale at MMX /!

MMX is hosting a 2023 Black Friday Through Cyber Monday sale featuring some awesome coupon codes! Don't miss your chance to save some serious money on some serious HEMI upgrades this holiday season. Choose your coupon code below!

MMX Coupon Codes:


$125 discount on all complete HEMI camshaft kits


$125 discount on all Piston & Rod kits


$150 Off Select Stroker Kits

6.4L Based HEMI 426 Stroker Kit - Low Compression

6.4L Based HEMI 426 Stroker Kit - High Compression


$50 discount on select Max Effort lower balancers

15% Max Effort Lower Balancers

7% Max Effort Lower Hellcat Balancers


$200 discount on Dual Pump Hellcat Fuel System


Xtreme Black Friday / Cyber Monday Sale!

**Coupons Cannot Be Stacked.

***Retail Customers Only.

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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