I know I noticed a difference right after I put an optimized y-pipe on my car last weekend, felt more power down low and good power up top

will have a new dyno with it on the 23rd


- 95 Mystique LS - Zetec/5spd - 99 Contour SeVT Sport - Duratec/5spd Official NE-CEG Contour/Mustang Family