A real world +25-50HP* (depending on engine size and if a programmer is used) 3-5tenth of a improvements on 0-60mph runs ,without the use of a programmer. With a programmer you will see even more! 1/4mile improvements of 3 tenths and 3mph are the norm! Fuel mileage improvements of +1-3mpg
(C) 2016, Nook and Tranny LLC
All text and watermarked photos are property of Nook & Tranny LLC, and are not permitted for use without written consent from Nook & Tranny LLC.
GM Trademarks are used under license to Nook & Tranny LLC