FAQs & Tech Tips

MM News

New! MM Technical Services: MM’s Engineering Team will provide setup recommendations specifically tailored for your Mustang. Get help choosing options for a Maximum Grip Box, deciding on coil-over spring rates, selecting a brake master cylinder, and advice on converting your Fox to Hydroboost.

New! Swapping a Coyote into a Fox Mustang? MM's Hydroboost Conversion Kits allow easy installation of a 1996-2004 Mustang Hydroboost power brake assist unit into a 1979-1993 Mustang.

New! Swapping an IRS into your Fox Mustang? MM makes it easier with a brake line kit made just for this conversion. Bolts-in, with no cutting or flaring of brake lines. Designed to fit standard IRS brake hoses.

New! MM now offers a tool for the giant nut securing a Mustang Hydroboost. This MM socket fits the 1-7/8" nut holding the Hydroboost to the firewall mount. Required when changing a Hydroboost unit.

New! MM's billet aluminum Pedal Box Spacer for Fox Mustangs. Replace the breakage-prone OEM plastic spacer when converting to manual brakes or Hydroboost.

Canadians! Please read the latest about ordering from Canada/shipping to Canada.

We've posted the parts list and link to the video of MM's Mustang in /DRIVE Tuner car Shootout

2005-2010 Mustang Sport Box
Actual product may differ from photo.


  • Item # SB5-51
  • Manufacturer: Maximum Motorsports
Add Rear Lower Control Arms?

Add Relocation Brackets?



Fits 2005-2010 Mustang.

The MM Sport Box is a performance oriented kit that steps performance up a level from the Starter Box. The Eibach Pro-Street kit includes adjustable ride height functionality, along with spring rates matched to the damping.

The Sport Box includes

Add even more performance at a discounted price by selecting one of these options:

  • MM rear lower control arm relocation brackets (Mm5RLCA-57)
  • MM Aluminum rear lower control arms (Mm5RLCA-52)
  • MM Extreme-Duty rear lower control arms (Mm5RLCA-53)

We're working on FAQs for this product. If you have a question, please use our Contact Us page to email your question. We'll answer your question by return email, and also consider it for possible addition to this FAQ section.