Stiffen Your Chassis & Improve Your Handling!  We've developed a bolt-on solution that will significantly stiffen your Lotus chassis.  This innovation prevents unwanted rear suspension mounting point movement allowing your suspension to work better.  You will feel the added grip that the stiffening provides.  The subSTIFFY can also act as a mount for our new optional transmission cooler - the transCOOLER.  Fully track tested with positive comments from Pros & Amateurs.  Another Sector111 Exclusive Innovation!

Stiffer Chassis = Better Handling

• We box in the lower portion of the rear subframe at key suspension points
  • tie in the lower portion of the subframe to the extruded Al chassis
• Triangulated design delivers the best torsional stiffness 
• Suspension can work better as it does not get any undue side loads or movement

Bolt-on Solution = Easy Installation

• No modifications required to install
• Bolts into stock locations with no drilling
• All hardware needed is provided
• Detailed installation instructions are provided
• Allows easy installation of our new transCOOLER

High Quality Materials & Construction = Durability, Peace of Mind & Performance

• High quality DOM steel tubing
• MIG welded by hand
• Powder coated
• Made in the USA

Model Compatibility

• All Elise, Exige, 211 variants
• Fits with gPAN & stock oil pans only (will not work with Moroso)
  • Moroso owners, see the GTSpackage for additional discounts
• Works as a mount for our optional transCOOLER
• Requires RTD2, RTD, RTV, Nitron or OE Track Pack rear brace