Vehicle Type: automobiles
Modification Type: Performance
Modification Name: Air Charger
Manufacturer: K&N Engineering
Used Most Often In: Volkswagen Golf
How it was Used: Lifetime performance air filter.
On my model, it's said that it ups hp by 8% by opening up air intake volume.
Price Paid: $58
How it was Used: 10 More Horsepower for changing an air filer that will actually last much longer than a standard one? I am all for it!
Price Paid: $0
How it was Used: I purchased a used K&N AirCharger kit off Ebay a few months ago. It replaces the factory air box and ductwork.
Price Paid: $130
How it was Used: A K&N induction kit. Made it a bit noisier and slightly more torqey. Don't think I'll bother again though. Lot of money for not a lot of difference.
Price Paid: £82