Hardcore aero for your hardcore Lotus!  This diffuser/undertray combination was designed by one of the Lotus Challenge Series' fastest drivers to be an uncompromising aero solution. Improved under-car aerodynamics means more downforce and faster lap times. 

Improved Aerodynamics = Better Lap Times

• 5-element rear diffuser
  • Diffuser ventures extend 7 inches further than stock
  • Vanes are spaced 9.5" apart
• Undertray is angled back creating downforce sooner
  • Integrated side vanes that work with outter-most diffuser vanes.  

"Innovative" Design = Strong & Smart 

• Aluminum diffuser & undertray
  • Diffuser weighs 16.6 lbs vs 6.35 lbs (stock)
  • Undertrey weighs 11.3 lbs vs 8 lbs (stock)
  • Durable enough for serious track use
• Rear panel eliminator
  • Included with RACEunderAERO kit
  • Allows trapped heat to escpate from exhaust area
  • Exhaust components are known to fail because of heat trapped by stock rear panel
• Bolt-in replacement for OE diffuser, undertray & rear grill 
  • Easy installation on '06+ Exige & S
  • Some modifications required for Elise

 Model Compatibility

• '05+ Elise
  • Side hangers need to be removed to fit Elise
  • Some bodywork needs to be trimmed to fit extra wide diffuser
• '06+ Exige & S
• Above diffuser exhaust rquired: Larini 6", Larini 8"

Made in the USA by IMRP