Here are some that have tickled mind and body over the years...
ROSSA VENEZIA
ZOLTAN:HOUND OF DRACULA
MALABIMBA
PENETRATION ANGST
SINFUL DWARF
DEATH GAME
LAST HOUSE ON DEAD END STREET
CENTREFOLD GIRLS
BLOOD HARVEST
SEX WISH
DELIRIUM
VIVA
BLOOD SABBATH
THROUGH THE LOOKING GLASS
POOR PRETTY EDDIE
THE FLESH TRILOGY
THE PIT
LONG JEANNE SILVER
SNUFF
S&M HUNTER
BAT PUSSY
A CLIMAX OF BLUE POWER
PERMISSIVE
BLOOD MASSACRE
THE DEVIL INSIDE HER
FEMMES DeSADE
FORCED ENTRY
UNWILLING LOVERS
RAT PFINK A BOO BOO
THE TAMING OF REBECCA
TAKE AN EASY RIDE
THE ULTIMATE DEGENERATE
The list is smut/porn heavy. What could be more exploitative than films aimed at making the viewer basically pay to have a wank