Just recently had my car dynoe'd before and after. No scanner so no pics, sorry.
Previous hp mods: Magnaflow cat-X & cat-back, tune, 75mm tb & plenum, K&N
Before dyno run #'s= 251 rwhp, 291 rwtq.
Last year's dyno run= 252 rwhp, 296 rwtq
New mods: Slp Lt's & Slp cat-x, SLP pullies...