shiazzzz i just got my new up pipe in so im down to only one highflow on the downlpipe, and i was driving around last night kinda fast, and then all the sudden *ORANGE FLASH* CHECK ENGINE LIGHT.....i hate that, cause its all i see when i drive. i tell you what though, im not gona pay for this uppipe until the dealership either disconnects the light, or does something crafty to fool the computer