With just exhuast and cat and all the free mods im sure im close to 300whp if not more.
1995 z28 , abs 16" trans am rims , m6 , slp springs , k&n homemade cai ,3 inch exhaust,4.10s , flowmaster 80s , high flo cat , throtel body bypass , descreened and ported maf. KILLS=SRT4,GTI,LS1 Z28,08 BOSS GT MUSTANG,SUBURBAN CAMED,CIVIC HATCH,COBRA SVT , TRANS AM LT1, COBALT SS SUPERCHARGED.
STOP SUPPORTING THEIVES. DONT BUY HONDUH. show your support and copy this into your sig..
275 Rated HP at the Crank...period. Like Chris said go get dyno'd. I wouldnt even try until your up in the 400's. Who cares if its runnin 275 to 300 HP 25 hp is a noticeable difference but not that much to concerned with such a difference. Its a valid question though for sure...275 is the answer.