thomson 
Member 
 
Registered: 18th Jan 11
 Location: scotland 
User status: Offline 
 
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full standard system. 
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c16xejay 
Member 
 
Registered: 4th Apr 10
 Location: Bere Alston, Devon 
User status: Offline 
 
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Nice 
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c16xejay 
Member 
 
Registered: 4th Apr 10
 Location: Bere Alston, Devon 
User status: Offline 
 
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Do janspeed do a 3" backbox or is it just 3.5" ?? 
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Phillips_91 
Member 
 
Registered: 20th Jan 10
 Location: Blackpool. Drives: Sapphire Black Mk4 Astra 1.8 
User status: Offline 
 
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quote: Originally posted by silvergsi 
full standard system.  
   
 
That loud mate or what? much performance gains? 
 
  
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Chris F 
Show Staff Organiser: East Anglia Premium Member
 
Registered: 26th Dec 05
 Location: Newmarket    Drives: Escort Van 1.8 
User status: Offline 
 
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quote: Originally posted by Phillips_91 
quote: Originally posted by silvergsi 
full standard system.  
   
 
That loud mate or what? much performance gains? 
 
   
   
 
Joking aside, prob yes  
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thomson 
Member 
 
Registered: 18th Jan 11
 Location: scotland 
User status: Offline 
 
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lol. prob the only gsi with a standard system. have a rr printout off 98.2bhp.  
 
keeping it standard for just now.
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