
An item that does not ship directly from IIR's warehouse is considered a "special order" item and no returns will be authorized. Any returns received without an RMA# will be charged a restocking fee and any shipping fees associated with the return. All returns are subject to a 15% restocking fee. K&N Performance Drop In Air Filter Designed to Increase Horsepower & Acceleration K&N Million Mile Limited Warranty Washable and Reusable Will NOT Void. Once the item is received it will be inspected and a credit will be issued accordingly. All items must be in brand new and resalable condition. (11.16), a straight line is generated when t/V f is plotted against V f. Before shipping your product back please make sure you package it up exactly how you received it and in all of its original packaging. K 1 and K 2 are constant during constant-pressure filtration. The customer will be responsible for all shipping fees. To receive your return instructions and RMA# please use our online form under Returns and Exchanges! Once you receive your return instructions please ship out the item at your earliest convenience and provide the tracking number to your customer service rep.


The resulting smooth, laminar flow enhances cylinder filling, horsepower, and torque.
#K AND N DROP IN FILTER FREE#
Any returns for an exchange or refund will be allowed within 30 days from the receipt of your order and must be authorized prior to shipping with an RMA Number (Return Merchandise Authorization). Find K&N Flow Control Air Cleaners and get Free Shipping on Orders Over 99 at Summit Racing K&N Flow Control air cleaners utilize a specially designed base in combination with a unique lid, featuring a tongue or protrusion that is designed to reduce intake turbulence.
