Using this Faction Fab 5 - Speed Shifter Bushing is easy. Just remove the old factory rubber bushing and replace it with this new one as it's a direct fit, no modifications needed. When handling it, be gentle with the stainless - steel inserts. For maintenance, regularly check for any signs of wear or damage. If you notice any issues, it's best to replace the bushing right away. Keep it clean and dry to prevent corrosion of the stainless - steel parts. This will help ensure a long - lasting and smooth shifter performance for your Subaru WRX.