K Koenig Member : Black Cherry Mica MS6, Born 01/06 Jun 21, 2007 #41 07MS6 said: I put a cai on just about all my cars without disconnecting the battery. NOTHING HAPPENED. Click to expand... I didn't mean nothing bad happened, but exactly as you said......nothing happened...... while if you reset the battery the ECU can relearn the A/F ratio and you might just notice your 5 mpg improvement (alright)
07MS6 said: I put a cai on just about all my cars without disconnecting the battery. NOTHING HAPPENED. Click to expand... I didn't mean nothing bad happened, but exactly as you said......nothing happened...... while if you reset the battery the ECU can relearn the A/F ratio and you might just notice your 5 mpg improvement (alright)
