The only way to find out is to try it.
Some times they do and sometimes they do not.
Different cars react different.
One word of cauition is go easy on the oil in them.
The oil can get into a mass air flow sensor and throw it off.
The Blazer already has a oem factory true forced cold air from fender well and grille area intake system on it.
Here is a link on air filter test you may want to read.
home.usadatanet.net/~jbplock/ISO5011/SPICER.htm
MT