Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com - View Single Post - L99 with Borla S-Type Catback

WadeWilson · 11-04-2010, 11:25 AM

It is your AFM (active fuel management) kicking in and out. I have the same exhaust on my L99 and I love it but the AFM got on my nerves. I ended up getting rid of the AFM with my custom tune.

11-04-2010, 11:25 AM	#2
WadeWilson How U Doin? Drives: 2014 CTS-V Coupe Join Date: Oct 2008 Location: Californication Posts: 24,156 View My Garage	It is your AFM (active fuel management) kicking in and out. I have the same exhaust on my L99 and I love it but the AFM got on my nerves. I ended up getting rid of the AFM with my custom tune.