Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 618

EXTERIOR -
Backing paper
Adhesive tape
Side Air Dam, Molding and Garnish
4. Remove strip paper from the pressure sensitive
double-sided tape.
NOTE
Affix double-sided tape to the end of strip paper for ease
of strip paper removal. (Refer to P.51-9.)
5. Install the side air dam.
NOTE
If it is hard to affix the double-sided tape in winter, heat
the application surfaces at both the vehicle body and
the side air dam.
Body 40 - 60 _C
Side air dam 20 - 30 _C
Apply pressure fully to the side air dam.
51-11