|
Only one that can gain something is Knight sports, Re-Amemiya, Racing Beat, AEM/Mazdaspeed
even those will give you no more than 5 hp on a good day.
stock intake is actually very well engineered and as long as you keep the stock intake manifold, there is really nothing much u can do.
u might as well save the money and buy a new stock paper filter and change it every 10K miles, or get K&N and clean it every 5K miles.
|