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5 Element Railer (Jr.) Rear Diffuser for Lotus Elise & Exige


Weight: 10 lbs
Cutting/Drilling Required?: No. Direct Replacement.
Compatibilty: 2005-2010 Elise, 2006+ Exige and Cup Car
Description: This is the perfect diffuser for street and track use. Squared off fins provide slightly better air channeling and guidance than our rounded diffuser does. The longer body keeps rear air swirl to a minimum. This diffuser comes with or without an exhaust hole cutout option!

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Product Description

• Direct OEM replacement for 05-10 Elise and 06+ Exige.
• Comes WITH or WITHOUT exhaust hole cutout (specify below).
• No drilling or modification required. 15 minute installation.
• Built from aluminum and powdercoated matte black.
• Weighs only 10 lbs (4.5 kg).
• Stronger and thicker than OEM to handle curb rash and track abuse.
Frequently Asked Questions about this diffuser.
• Our 2nd most popular diffuser for the Elise and Exige!

Diffuser body is 2 in” (5 cm) longer than OEM diffuser. Fins sit 5 in” (12.5 cm) off the ground on stock suspension. Fins run parallel to the ground and extend forward to the undertray to channel air properly out the rear of the car. Fins are shaped more like a square, rather than rounded. This keeps air inside the fins and prevents air spill. This reduces drag and improves downforce. This diffuser has slightly better performance than our 5 Element Rounded diffuser does due to the shape of the fins.

Additional Information

Weight 16 lbs
Dimensions 50 x 30 x 9 in
Jr Diffuser

Difflow 5 Element Railer Jr Diffuser, Difflow 5 Element Railer Jr Diffuser W/ AeroPlates (Combo Deal!)

Exhaust Hole Cutout

No, my exhaust exits over the diffuser., Yes, my exhaust goes through the diffuser.

Lotus Year Model

2005-2010 Elise, 2006-2008 Exige, 2009-2011 Exige