Reviewed By lawrence f (Madisonville, LA) Reviewed for a 2007 Chevy Trailblazer —7/17/2009 9:42 PM
height of filter makes box cover sit up to high had to loosen two bolts that holds filter pipe to box then force box cover down then install 4 bolts. tip! attach pipe to throttle body before you tighten everything. performance outstanding!! slight increase in milage. L. Madisonville,La.