What cold air intake sounds the best?
What company makes the best cold air intake?
Best 10 Cold Air Intakes For Your Car
Do I need a tune after installing cold air intake? (video)
How much HP does a throttle body spacer add?
With a throttle body spacer, it is possible to increase the torque by 25 ft lbs and add up to 18 more horsepower. Not all throttle body kits can be used for all engines. Ensure that you get a kit that will work for the make and model of your engine. These spacers mainly benefit older engines. via
How much HP does aftermarket exhaust add?
Everything that comes before the muffler, where the pressure is greatest and performance potential is highest, will remain tight and congested. MagnaFlow, an aftermarket exhaust manufacturer, says that its customers can expect horsepower gains of around 10 percent (which is a pretty commonly-quoted figure). via