3J NXG Fiesta ST IB5 differential Rallyflapz They come with K&N's Million-Mile

They come with K&N's Million-Mile Limited Warranty

RS Ecu cover is required to fit this filter kit

Fits with Milltek or Mongoose cat back systems

Aluminium top plates

3J NXG Fiesta ST IB5 differential Rallyflapz They come with K&N's Million-MileThe 3J plate pack always run with 8 active surfaces, even in our lighter settings, giving maximum surfaces and surface area contact during use. Our new pre load spacer helps generate the pre load. Rather than just have the 2 or 3 settings of other units, we can 'fine tune' to particular pre load settings complemented with our choice of ramps, to get the perfect LSD set up for you!