qsiguy wrote:"Tires" come on, why do some of you always try to stop peoples attempts to increase their enjoyment of their Q's? Most people will get plenty of "performance" from even the lower end tires, how often do any of us go to a track day or push our cars to the limit on a twisty back road? Rarely. I have decent tires and they are fine.
I used the pop style charger with the filter under the hood for a while and you can tell a big difference when the engine is hot especially in the summer.
"Member's standards vary." - Q45tech
Tires are the only part of the car that interface with the road, thus most performance gain can be had with a tire quality beyond merely "decent." Just moving to the best summer tire within a brand will usually yield improvements over its all season counterpart. The best tires available have not been on any Q45 since the first couple of years of its introduction or ever on G35 ever to my knowledge.
Just trying to keep the myth quota under control. So many are deceived by misleading advertising (K&N, Stillen, most 3rd party aftermarket resellers).