2014 Silverado 1500 high country gaining some extra hp with an in house tune with some help from better air flow from an Airaid junior intake system and E85. Total gain was 23hp/24ftlbs. Very good gains from such easy and simple modifications.
RPM Motorsports
Late Model GM Performance Specialists
310 Shipwash Dr # 101 Garner, NC 27529
(919) 661-7947
