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Maximum Motorsports Full Length Subframe Connectors - Bare (79-04 All)

41 Reviews
Our Price

$159.97

  • Item #47001
  • MPN# MMFL-5B

  • Market Price $183.97
  • You Save 13% ($24.00)
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Product Videos Customer Photos
Features
  • XL Series Full Length Subframe Connectors
  • Bare Metal
  • 95% Stronger Then the Other Brand
  • 53% Stronger Then MM Previous Connectors
  • Extends from Rear Control Arm to the Firewall for Maximum Results
Description
Improved Design. The originator of full length subframe connectors has raised the bar for performance again. Maximum Motorsport's newest full-length subframe connectors feature 53% more rigidity then their standard subframe connectors and 95% more then most on the market for mind-blowing performance you'll have to feel to believe. Adding a set of full-length subframe connectors will make sure your car runs straight as an arrow whether it’s off the line or carving back road turns..

Strength. The XL series subframe connector is longer, thicker, and has more welding surface area than any other subframe connector on the market. Its 1.5” x 2” x .083” thick rectangular tubing extends from the mounting points of the rear control arms all the way to the firewall. With that much coverage you’ll be sure to have a strong bond and plenty of clean metal to weld them onto.

Application. Maximum Motorsports designed these subframe connectors to fit all 1979 to 2004 V6, GT, Bullitt, Mach 1, and Cobra Mustangs. Even Roush and Saleen Edition Mustangs can benefit from this upgrade as well.

Technical Note. Please test fit before welding. 1996-98 Cobras will require modifications to the transmission crossmember mounting flanges.

Fitment: 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Details

What's in the Box
  • (2) subframe connectors
  • Hardware
Installation Info
Will it fit my Mustang?
  • Bullitt - 01
  • Foxbody - 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93
  • Mach 1 - 03, 04
  • V6 - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04
  • Cobra - 94, 95, 96, 97, 98, 99, 01, 03, 04
  • GT - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04

Most Helpful Reviews

5/5
Nice and stiff.

My older brother welded, with my dad and I helping throughout install. Installation not including trips to the store took about 7 to 8 hours. After welding, I sprayed the subframes with 3M rubberized ...

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Helpful (2)

5/5
Night and day difference

I never really realized how flexible the chassis was for my 04 gt until I had a shop install these subframe connectors. When I opened up my door and sat in my car after picking it up, I could immediately ...

Read More
Helpful (1)

Read All 41 Reviews
Overall Rating 4.9 out of 5 stars

Video

Customer Photos (10) View All Photos

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Q & A

Ask a Question

Will these work with side exit exhaust? My tail pipe and tip hug close to the frame. I was wondering if these will work with side exit exhausts?

JimmyV

Answer This Question I need this answered (0) (0)

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Customer Reviews (41) Write a Review

Overall Rating 4.9

out of 5 stars




  • 5/5

    Installation Time: Shop Install

    Installation Cost: $100-$250

    July 04, 2016

    Night and day difference

    I never really realized how flexible the chassis was for my 04 gt until I had a shop install these subframe connectors. When I opened up my door and sat in my car after picking it up, I could immediately tell that these subframe were going to live up to their hype and make a huge difference in handling. While I was driving the car home it just felt solid. Before the subframe connectors, if I hit a bump in the road the chassis would flex and soak up the bump, but with the subframe connectors the chassis remains solid and doesn't allow for any flex, rather it forces the suspension (Shocks, Struts) to do its job. Not only do they make the car feel more solid, they also help with launching. The V-8 engines they put in the new edge mustangs are torquey, as a result when you launch the car or accelerate hard the weak chassis flexes and absorbs some of that torque, meaning less power to the rear wheels and a higher possibility of losing control (fishtailing). However, with the MM subframe connectors my car launches straight as an arrow (as long as its dry) and you can feel that all that power is being sent to the rear wheels and none of it is lost due to chassis flex. This is the only suspension mod I've done for my car, but I'm extremely glad I caved in. If you want your new edge mustang to feel and act like it's structurally sound, and launch harder then look no further, this is the mod for you.

    Kris

    Year: 2004 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 1

    Helpful (1) (0)

  • 5/5

    Installation Time: Full Day

    August 06, 2012

    Nice and stiff.

    My older brother welded, with my dad and I helping throughout install. Installation not including trips to the store took about 7 to 8 hours. After welding, I sprayed the subframes with 3M rubberized undercoating. I have only driven the car with 15x3.5 front rims since install, so I can't comment on much of a handling improvement. But I have noticed it feels much stiffer during day to day driving. I'm looking forward to checking out the handling once the 17x9s are back on the front.

    potchez

    Year: 2001 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2 SC

    Helpful (2) (0)

  • 5/5

    June 08, 2011

    Best you can buy

    These are buy a long shot the best subframe connectors you can buy. By far the stiffest, you will notice them as soon as you open/close your doors, take a driveway, let alone get on the exit ramps and thrash the car around. They work excellent, anywhere these touch the metal on the car you should weld for ultimate stiffness. Powdercoat is pointless as you need to strip them wherever welded, so do yourself a favor like I did get the bare ones and then spray them with a rubber undercoating afterwards and they'll stay like new for years and years. A highly recommended buy and absolutely critical on the 79-04 fox chassis.

    Alex

    Year: 2000 Model: Other Driving Style: Daily Driver

    Helpful (7) (0)

  • 5/5

    February 16, 2010

    Max Motorsports subframe connectors

    Really made a difference in my 96 Gt convertible. Drives like a different car. A great mod for the money especially to a convertible. This should be a first mod for any Mustang.

    Mo

    Year: 1996 Model: GT

    Helpful (6) (0)

  • 5/5

    Installation Time: Afternoon

    August 15, 2012

    love mm

    Got them pretty fast, used a15% off promo. Feels wayyyyyy stiffer then stock. Welded them myself. Thanks am

    frankies98

    Year: 1998 Model: Cobra Driving Style: Daily Driver 'Stangs I have owned: 1 socal

    Helpful (3) (0)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: 0-$100

    July 21, 2012

    Best "First Mod" Ever

    What can I say, they made a huge improvement! Not only did they take the harshness out of the ride, but they made my car track straighter off the line as well. I had a shop install them locally, labor on the install was $75. And it was well worth it. And AM was awesome to order from. Free, fast shipping....what more could you ask for. Thanks American Muscle!

    GTfever

    Year: 2003 Model: GT Driving Style: Street / Strip 'Stangs I have owned: 1 Bowling Geen, KY

    Helpful (3) (0)

  • 5/5

    March 08, 2011

    Good bang for buck

    Fairly easy installation, Make sure you clean them off (brake parts cleaner) and prime the undersides at least before you mount them up and weld them. These made my car much stiffer, better weight transfer, better braking and much better handling. I would highly recommend these subframe connectors. 2 day free shipping? Can't beat it!

    Seth

    Year: 2004 Model: GT Driving Style: Daily Driver

    Helpful (7) (4)

  • 5/5

    August 18, 2010

    Excellent suspension mod!

    Lets you feel the road better and eliminates chassis flex which means more power to the wheels. Im very happy with this modification. Thanks AM!

    David 2001 GT

    Helpful (2) (0)

  • 5/5

    March 10, 2010

    MM SFCS

    I have MM LCAs and now the SFCs. Both products are great. The SFCs really stiffened the chassis up. This should be one of your first suspension mods hands down. Also the product got here in 1 day! Cant beat that!

    Greg

    Helpful (2) (0)

  • 5/5

    October 04, 2009

    MM SUBFRAME CONNECTORS

    Installed them at my friends house with a 220 amp welder look great really stiffened the chassis up definetly a good first mod!!!

    JOE

    Helpful (2) (0)

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