International Order Notice:
First time international MMX4x4.com 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.

MMX 4x4 offers in-house installation as well as other Jeep related services!

MMX4x4.com Accepts:
Modern Muscle Performance Proudly Accepts Paypal

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

MMX4x4.com Proudly Affirm as a Payment Method

Modern Muscle Xtreme BBB Business Review

The Tuning School

Dodge Beginners using HP Tuners by the Tuning School

Dodge Beginners course using HP Tuners VCM Suite for Dodge/Ram Hemi engines 5.7, 6.1, 6.4 Comes with access to the Online Learning...read more

View Details

$499.00

Dodge Transmission Guide by the Tuning School

You are in control of your performance tuning process! Looking for just a little more performance with smooth shifts? Want an...read more

View Details

$189.00

Jeep Enthusiast using HP Tuners by the Tuning School

Jeep Enthusiast course using HP Tuners. For beginners and those new to tuning. Written specifically for the Jeep Wrangler owner.Covers...read more

View Details

$399.00

Modern Muscle Xtreme Internation Order Notice

International Order Notice:
First time international Jeep4x4Performance.com 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.

Jeep 4x4 Performance offers in-house installation as well as other Jeep related services!

Jeep4x4Performance.com Accepts:
Modern Muscle Performance Proudly Accepts Paypal

Call Today: 276.666.1934

Jeep Performance Parts & Service!

The Tuning School