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RS1

The Federal 595 RS-RR is an extreme performance competition tire designed for closed-course racing, time attack events, and track day domination while maintaining DOT approval for limited street legality. This tire represents the evolution of Federal's race-winning 595 RS-R model, delivering even faster lap times and enhanced dry grip through advanced compound formulations and construction refinements. The RS-RR features aggressive treadwear ratings varying by region from 100 to 200 UTQG, reflecting its ultra-soft competition compound optimized for rapid warm-up characteristics, sustained traction under racing loads, and effective heat management during extended track sessions. The tire incorporates asymmetric tread design with heavily reinforced outer shoulder blocks providing lateral stability during high-speed cornering, while inner grooves facilitate light wet-track debris evacuation when conditions transition from fully dry surfaces.

 

The Federal 595 RS-RR utilizes Multi-Radius Tread Technology maximizing rubber-to-track contact during aggressive cornering and braking maneuvers, extracting maximum mechanical grip from the ultra-soft competition compound. Users report the tire runs approximately 15-20mm wider than stated size specifications, an important consideration when selecting appropriate fitments for specific vehicle applications and wheel widths. The RS-RR delivers high-grip competition-focused performance making it popular choice among time attack competitors, track day enthusiasts, and club racers seeking maximum capabilities at accessible price points significantly below premium racing tire alternatives. The tire provides rapid heat cycling allowing competitive grip from early laps, with sustained performance throughout track sessions when properly managed. While technically DOT-approved for street use, the RS-RR is optimized primarily for competition applications where its extreme grip characteristics justify the accelerated wear rates and specialized operating requirements. The 595 RS-RR serves grassroots racers and serious track day participants who demand racing tire performance while maintaining basic street legality for transportation to and from events.

Treadwear:
1
Lap Count:
11
Organization:
Toyo
Tire Size:

Cars

Model
Horsepower
Weight kg
P/W
Mod
Laps
Pace %
Pace
SQUARE: 255/35/18
Model: Honda S2000 AP1 2002 (w/RS1) Race
Horsepower: 330
Weight kg: 1,274
P/W: 0.26
Mod: Heavy
Laps: 2
Pace %: -0.34%
FRONT: 235/40/18 - REAR: 295/30/18
Model: Porsche 996.1 GT3 1999 (PrimeTime/Race) Race
Horsepower: 360
Weight kg: 1,350
P/W: 0.27
Mod: Race
Laps: 6
Pace %: -
SQUARE: 245/640/18
Model: Subaru BRZ 2012 (PeterG/Slicks) Race
Horsepower: 197
Weight kg: 1,298
P/W: 0.15
Mod: Heavy
Laps: 1
Pace %: +2.89%
FRONT: 225/50/18 - REAR: 245/45/18
Model: Nissan 370Z 2011 (w/RS1) Race
Horsepower: 320
Weight kg: 1,582
P/W: 0.2
Mod: Heavy
Laps: 2
Pace %: +4.09%
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