
As a budget solution to a Wizair box you can run a K&N drop-in air filter in your 99+. We make over 1,200 different replacement air filters for virtually every vehicle on the road. K&N (re-0870) " Cone Filter" - 4" inlet cone filter that is 9" long, and it comes with a 4.5" clamp. The 99+ airboxes are much better than the 97-98 fender draw units. K&Ns replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration.

You could either pick up a used 99+ airbox and 99+ coolant bottle or get our ZZP or Wizair intake.Īll K&N filters are washable with their K&N filter cleaning kit and come with a 1 million mile warranty. We offer the drop in for the 97/98 model GP but do not recommend going that route because, the 97/98 GP air box is blocked from cool air by the factory coolant bottle. tested K&N and regular filters and found no significant difference in air flow, but the K&N let 34 of 5 micron aluminum particles pass right through, compared to less than 4 for most regular pleated filters. As a budget solution to a Wizair box you can run a K&N drop-in air filter in your 99+ style airbox with good results.

#K and n drop in filter install
KCDesign Drop-in Filters install directly in your existing factory airbox with no modification required. The 99+ airboxes are much better than the 97-98 fender draw units. Increase Airflow to your Engine by installing a KCDesign High Performance Dry Flow Drop-in Filter.
