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Carol's Audi A4 Logbook « Mods - Porterfield R4S Pads »

Porterfield R4S Racing Brake Pads


Function
For reduced brake dust and increased fade resistence.

Part numbers
• AP555 R4S front pads for A4 Quattro (pair)
• AP228 R4S rear pads for A4 Quattro (pair)

Comments
I simply love these pads. They have a more linear feel than stock, so they are easier to modulate. Excellent bite and stopping power when cold, and they produce only a third as much brake dust as the stock pads. The only downside of these pads is that they occasionally squeal, although some antisqueal may fix that quite easily. Also, these pads do not come with wear sensors.

Vendor's Description
R4S Street High-Performance & Limited Competition
The high performance street pad of choice. Very high friction level even at cold temperatures. No dust or squeal. This is the fastest stopping road pad available. Great for limited competition, motocrosses, driver schools, & solo events.
Friction level = .400
Temp Limit = 1100 deg
 


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