"just put this spacer on and it was a lil difficult with the less space addeed by the spacer for the intake tub to go back on, i havent noticed any throttle response or the whistle might just be bc i have a loud exhaust"
How often do you shop at JC Whitney.com? First Time
"I installed this on my 2002 f150 5.4 I noticed a difference right away there is a whistle but I like it There isnt a huge amount of power like a supercharger but at low to mid range its great especially nice for all these hills and mountains around here"
How often do you shop at JC Whitney.com? Multiple Times a Year