Upgrade to a performance air filter, made by top brand names such as K & N, Pipercross and Green and you'll be able to get a free flow of air into the engine. Induction kits, like the Viper from Pipercross with a cold air intake, would be even better. This makes the ECU put more fuel into the cylinders giving you more power.
Replacement air filters.
By replacing the standard panel filter that is fitted by the manufacturer you could gain an increase in top end horsepower. Standard air filters are usually made from a lower grade material than performance air filters. With periodic maintenance, a performance air filter will last a lot longer.
Induction Kits.
An induction kit replaces the standard air box and air filter fitted by the manufacturer with a cone filter. By getting the cone filter closer to cold air entering the engine bay you increase the density of the air entering your engine. Which could increase horsepower if fitted according to the manufacturers instructions.
Viper kits / Cold air intakes.
"Viper" is the name for the Pipercross cold air intake. Going one step further than the induction kit the cold air intake routes cold air directly from the front of your car into the engine. This ensures a flow of cold air and can increase horsepower.
Fitting a Panel Filter
Replacing a standard panel filter for a performance one is a simple task that will take about ten minutes.
1. Make sure you buy the correct one for your engine.
2. Open the bonnet and locate the air box.
3. Open up the air box by releasing the clips located around the outside.
4. Remove the standard panel filter.
5. Fit your new performance filter and make sure it is well seated in the air box.
6. Clip the lid of the air box back into postion.
Job done. Shut the bonnet and take it out for a test drive.
Fitting an Induction Kit
Induction kits by comparison need a bit more in the way fitting. It should take you between 30 minutes to an hour to do the job right.
1. Make sure you buy the correct one for your engine.
2. Check all the parts of the induction kit are there.
3. Open the bonnet and locate the air box.
4. Release the large hose clip that connects the air box to the inlet manifold.
5. Release the clips around the air box to release the lid and remove the old filter.
6. Release or remove the clips or bolts holding in the air box and then remove it.
7. Now postion the new hose clip over the remaining inlet hose.
8. Assemble the adapter kit and mounting bracket according to the kits instructions.
9. Slip the assembly into the inlet hose and postion the mounting bracket.
10. Tighten up the mounting bracket first then tighten up the hose clip.
11. Slip on the Induction hose onto the adapter and tighten it's hose clip.
12. Fit the supplied air ducting.
Job done. Shut the bonnet and take it out for a test drive.