I just got my BAT y-pipe on the csvt and it almost feels like it lost power esp in the low end of first gear, i have only driven it once since i got it on there and didn't get on it much but has anyone felt like they lost power when they got it on, or is it just me?

1998 Contour SVT Borla Exhaust/Aem Intake/Bat Y-pipe/B&M sts/Pirelli p zero's 225/50/16