Rear wing center element can break at high speed
Added · Updated
What causes "Rear wing center element can break at high speed" on the Mitsubishi Lancer Evolution IX (2006), and how is it fixed?
One retailer says the IX wing's center element is hollow, while the VIII's is foam-filled and stronger, and that some IX owners have had theirs break under high-speed downforce. Fix: Inspect the wing on track cars; the retailer says the VIII wing is more robust.
Symptoms
The rear wing's center blade cracks or breaks in the middle.
Cause
One retailer says the IX wing's center element is hollow, while the VIII's is foam-filled and stronger, and that some IX owners have had theirs break under high-speed downforce.
Fix (summary)
Inspect the wing on track cars; the retailer says the VIII wing is more robust. Single retailer source.
Other CT9A (Evolution IX) problems
- Recall 16V-334: passenger front air bag inflator may rupture (2006)
- Recall 16V-458: front crossmember corrosion can let the lower arms detach (salt states)
- ACD pump faults: all ACD mode lights flash
More for this car
- All Mitsubishi Lancer Evolution IX (2006) fitment answers · CT9A (Evolution IX) common problems
- Newsletter archive: past issues with every new and corrected entry
Sources
- USDM EVO 8/9 Year To Year Changes — Wunderladen Racing (vendor article; read 2026-10-26; full page read)E8 wing center element foam filled, E9 hollow; some E9 centers broke at high speed.
Summaries are in our own words. Not repair instructions; consult the factory service manual.
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