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Old 02-17-2010, 02:09 PM   #13 (permalink)
some_other_dave
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As long as this thread was already necro'd, I should add that the only major aero differences between the 88-91 HF and Si models are the rear wiper and the passenger side mirror. I think the latter was an option on the HF, though, as some or many of them seem to have it.

The bumpers are not identical, but it is generally thought in the CRX community that this is due to the weight saving measures used on the HF, not for aerodynamics. The major body work for all three 2nd-gen CRXes is identical.

-soD
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