GMS Test: S197 Cold Air, Throttle Body, 2.5" After Cat Exhaust

Granatelli tests S197 cold air intake, throttle body and 2.5" after cat exhaust system

GMS, Granatelli, Granatelli Motor Sports, J.R. Granatelli, JR Granatelli,S197, Mustang, Mustang GT, cold air intake, cold air induction, throttle body, exhaust systems, 3V performance parts, 4.6L performance parts