The Killer Bee™ MF103 is made for the LS3 and LS7. It has been designed to require no additional tuning, but if you tune your car, expect 31 to 35 RWHP total with the MF103. Killer Bee™ MF103 Cold Air Induction is the base performance induction system requiring no tuning, no cutting, no water ingestion issues, which means you are warranty safe. It comes with the Beehive™ heat shield. It features a MAF forward design for perfect idle quality and MAF translation. The Halltech Killer Bee™ MF103 is a plug an play 15 RWHP unit, measures 103 to 104mm at the MAF cross section, and is engineered to translate the MAF tables exactly like stock, eliminating tuning or closed loop MAF tuning. Will not fit the C6 Z07 Carbon Edition.