As true car enthusiasts, we know the right combination of parts is essential for getting the most performance and agility out of your pride and joy. One of the most common upgrades that improves ride and steering is replacing the classic rubber bushes with advanced polyurethane bushes. In this article we look at when an upgrade or replacement makes sense, focusing on the differences between Strongflex red and Strongflex rumenimi polyurethane bushes. It is worth noting that these colour schemes do not hold for all manufacturers, so the important thing is to check the hardness rating of each manufacturer.
P.S. If you are the sort of person who likes watching videos, we have for also filmed an explainer video on the subject for you.
When does it make sense to upgrade and replace bushes?
If you notice the following signs, it may be time to consider an upgrade:
Ogibavanje and nihanje: If the car leans too much in corners, polyurethane bushes are an excellent choice. They give more stability and reduce body movement.
Vague steering: If the steering feels imprecise or notchy, polyurethane bushes can be the answer. They sharpen steering response and make the car more precise.
Firmer feel: If you like a firm ride and want more road feel, polyurethane bushes are an excellent choice.
Age and wear: If the original bushes are worn or old, replacing them with polyurethane ones can make sense, as they deliver lasting performance – with proper maintenance polyurethane bushes can last longer than the originals.
The first real test of a car with upgraded suspension. The first real test of a car with upgraded suspension.The differences between Strongflex red and Strongflex yellow bushes
The brand Strongflex is known for quality polyurethane bushes that allow a tailored ride and improve the whole driving experience. Both Strongflex red as well as yellow bushes offer top quality and performance, but there are some differences.
Strongflex red bushes: Red bushes are an excellent choice for everyday driving with added performance benefits. Strongflex red bushes have a hardness of 80 ShA. This figure can help you compare the hardness of bushes from other manufacturers. Bushes with a hardness of 80 ShA are ideal for drivers looking for the best balance between performance and comfort. They give better stability and steering precision and reduce body roll. They are recommended for road cars.
Strongflex yellow bushes: Yellow Strongflex bushes have a hardness of 90 ShA and are for those who want an extremely firm, dynamic ride. They work excellently both on the road and on track. These bushes are just the thing for racers and enthusiasts who want to get the most out of their car. They deliver extremely precise steering and response. Strongflex yellow bushes are an excellent choice for anyone who does not want to ruin the car’s ride completely by fitting solid (aluminium/uniball) bushes.

Conclusion
Polyurethane bushes are a key upgrade for any keen driver who wants to improve their car’s performance and response. By replacing the classic rubber bushes with advanced polyurethane ones you can tune the way your car drives to your own preferences and needs. Whether you are after balanced performance or extreme racing capability, polyurethane bushes are the key to a better drive and better results on the road or track. Check out our range Strongflex bushes in our online shop and improve your car’s performance. There are quite a few manufacturers of polyurethane bushes; our online shop currently lists only Strongflex, but we can also supply Powerflex bushes. If you are interested in parts not yet listed in our online shop, you can contact us for a personal quote using this obrazca.
Don’t forget – in the previous article we covered the differences between Eibach sports springs – Pro-Kit or Sportline? Read more about it here.
