Reviewed By Lyall I (Chandler, AZ) Reviewed for a 2016 GMC Yukon —6/22/2016 10:11 AM
The non-metallic cross over pipe is the way to go. I previously had an AFE system with a metal air pipe which heated the air too much causing the engine to bog down and hesitate under acceleration. Problem solved with the K&N system. The vehicle has achieved 26 mpg steady Hwy driving at 70 mph.