Originally Posted by Boglin
I picked up a regular K&N replacement filter because I noticed a performance gain in previous cars. It feels a little better but it might just be my imagination. Talking to a co-worker he said he heard there was a restrictor installed by Ford that some people have been taking out. Is this true? Am I gaining anything by putting the filter in a stock 05 GT?
I don't want to go with the CAI yet because I have other future plans for it first.
I read that in the 05s there is a filter just before the MAF sensor which many people remove. by 06 it had been eliminated.
'06 GT, manual, Satin Silver, lt. grey cloth int., IUP.
MODIFICATIONS - Goodyear F1 GS-D3s; 245/45 on 18x9, 275/40 on 18x10| Progress Technology springs & sway bars| Steeda adj. panhard bar, panhard brace, front control arm brace & bushings| strut tower brace| Tokico D-Spec dampers| CHE adj. LCAs & BMR relocation brackets |drilled & slotted front rotors| C&L intake| BamaChips SCT tune| FRPP 4.10 ring & pinion| Pypes off road H-pipes| FRPP GTA mufflers.