When considering making improvements your Evo 7 we suggest the following modifications - which are listed in a priority order reflecting a balance of expenditure to performance gain.
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  Vehicle main application Advantages
  Fast Road Only Road & Track day Track only  
ACD/AYC system control unit Ralliart ECU Ralliart ECU Ralliart ECU Benefit is more preditable handling on the limit of grip
  RA553831K1 RA553831K1 RA553831K2  
Braking system AP 330x6 pot AP 330x6 pot AP 6+4 pot Road - Better pedal feel than standard, lighter wieghting
  front brake kit front brake kit F&R brake kit Track - less prone to fading, general good disc life
        Visible added value parts
         
Suspension     HKS springs or Proflex Road damper kit Proflex "economy" spec damper kit Proflex Comp; damper kit   HKS - improved handling Proflex - much improved ride quality + better handlinghandling  
         
LSD kit - plate type front Ralliart Ralliart    
( replaces standard helical LSD ) RA580103S1 RA580103S1    
         
LSD kit - plate type front     Ralliart  
with increased lock value     RA580103S1  
      (+ modifications)  
         
Modified rear LSD locking value 2 plate 4 plate 4 plate More preditable handling on the limit of grip, better wet
  standard no preload + preload and dry traction, corner line changes possible via throttle
  setting     with higher lock values
         
Harder suspension bushings   Front lower Fit complete Improved toe control under hard braking - more stability
(general advice)   control arm Ralliart  
    rear position HD bushing  
    + set  
    Damper top   Improved camber control
    mountings    
    +    
    Front lower   Improved engine position control
    Engine mounts    
    +    
  Anti Roll bar Anti Roll bar   Improved roll control & steering response
  mounting bushes mounting bushes    
    +    
  gearshift control gearshift control   Improved gearshift quaility
  bush kit bush kit    
         
Engine Conversion2 Conversion2 or 3    
         
Clutch standard standard standard  

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