Performance Modifications

Flap / Aileron / Flap-Fuselage / Stabilator Gap Seal Kit. Piper PA-28 Models. 28TGS

The KNOTS 2U gap seal kit is the most complete on the market, as well as the most popular.  It not only offers the flap and aileron seals, but also a stabilator seal for in front of the trim tab, and a flap/fuselage seal to cover the gap...

Flap Gap Seal Kit. Piper PA-28 Models. 28FLAPT

Flap seals are made of 2024T3 Alclad aluminum for lighter weight and superb strength. They're coated with a plastic anti-chaff strip where the seal comes into contact with the control surface to prevent any abrasion. Flap Seals add 2-3 mph in cruise...

Aileron Gap Seal Kit. Piper PA-28 Models. 28AILT

Aileron seals are made of 2024T3 Alclad aluminum for lighter weight and superb strength. They're coated with a plastic anti-chaff strip where the seal comes into contact with the control surface to prevent any abrasion. Flap Seals add 2-3 mph in...

Stabilator Gap Seal Kit. Piper PA-28 Models. 28STABT

The Stabilator Gap Seal closes the gap between the trim tab and the stabilator.  It has proven very effective for additional speed and stabilator authority.  It is available separate or included in the complete gap seal kit. Part Number ...

Flap/Fuselage Gap Seal Kit. Piper PA-28 Models. 28FFT

  The Flap/Fuselage Gap seal fills the gap between the inboard edge of the flap and the fuselage.  It incorporates a radius at the trailing edge to relieve the vortex created at the 90 degree junction.  It is available separately...

Wing Root Fairing Kit. Piper PA-28, PA-32 and PA-34 Models.

The Knots 2U Wing Root Fairing Kit is one of our most popular modifications for Piper Aircraft. By smoothing the sharp junction at the leading edge of the wing, where it meets the fuselage, drag is reduced and the air over the wing is cleaner...

Flap Hinge Fairing Kit. Piper PA-28 Models. 28HF

Flap Hinge Fairings reduce drag by smoothing the airflow over the forward facing u-channel and flap attachment bolts. These will add 1-2 mph in cruise speed. Some large bulky variations on the market today use the "if it looks good it must be good"...

Gear Lobe Fairing Kit. Piper PA-28 Models, 28LOB

The Knots 2U Gear Lobe Fairing smoothes the air from behind the retracted mains.  Depending on aircraft model, speed increases are from 3-5 mph. They are made of a composite shell, filled with a "closed cell" urethane foam to keep them rigid in...

Hub Cap W/Access Door. 6" Wheel (Set of Two) LSM-200-701-1

Part Number: LSM-200-701-1      Approval Basis: Supplemental Type Certificate No(s) SA01224AT Replaces: n/a  Aircraft Eligibility: Bonanza 33, 35, 36 Series, Beech 19, 23, 24, 58 SeriesCessna C-150,...

Challenger Air Filter, High Performance. (CPE-1040)

K&N Performance Filters have been well known in the automotive world for years, unsurpassed in airflow and filtering capability they are now one of the most used filters on the road today. Now this technology is available and FAA-PMA approved by...

Vortex Generator Kit, Piper PA-28 Semi-Tapered Wing Models

Micro Vortex Generators are small aluminum blades placed in a spanwise line aft of the leading edge of the wing and tail surfaces. They control airflow over the upper surface of the wing by creating vortices that energize the boundary layer. This...