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Avanti AirDam install
July 2009
I bought the Saturn air dam to put on my 90 4-door and remember they offered a choice of two, one being much longer than the other. I opted for the shorter. Fit great. It is 37.75" long. Saturn P/N 21030181, cost $7.91. The larger air dam is P/N 21031161 and cost $21.65
I decided to take it off though because at only 3.0 to 3.5" in width on about a 45 degree forward angle, it did not extend beyond the front grill of the 4-door. I fabricated one myself from aluminum that is 4.5" on a 45 degree forward angle so it would catch more of the airflow.
Rich
Richard Morris
Renton, WA
1964 Avanti R-1 #5367
1990 Avanti 4-door #78