Originally Posted by snail_sleeper
some of the cheap way go gain more horse power is to get:
- COLD AIR INTAKE System.
- Iradium Spark Plugs
- Good Air Filters (K&N)
a CAI is the only option listed that will gain any hp, maybe 3-5hp
I had some Iridium plugs and they did nothing, don't waste your money copper plugs work just as fine.
a K&N drop in filter will not yield much of a gain. you might improve on gas milage but that is about it.