The 2.25 or 2.5 inch into a "y" then 3" single in and out muffler is the best performer from what I have learned. Kinda weird you lost low end with 2" pipe.
2005 2wd alert red ffv
Dyno jet-310 hp/376lb/ft (AFR-12.24 wot)
NCD 2" level kit
Stillen/CSF Aluminum radiator
2.5"pipes CUSTOM CAJUN BPIPES, built by myself PM if interested in a set.
JBA CATBACK EXHAUST
BULLY DOG GT THREE- WOT restriction removed, 2* timing advance, performance trottle.
Skeeter bass boat attached to trailor ball.
CAJUN CUSTOM B PIPES by NIGHTOWL