hyper12r
Expert Class
Posts: 119
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posted April 28, 2007 07:16 AM
 Edited By: hyper12r on 28 Apr 2007 08:17
akra evo 4-2-1 or 4-1-1?
akra evo 4-2-1 or 4-1-1?who have the 4-2-1?difference?
  
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supra5677
Pro
Posts: 1279
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posted April 28, 2007 07:17 AM
4-1-1 makes more top end horsepower..
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hyper12r
Expert Class
Posts: 119
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posted April 28, 2007 07:29 AM
Edited By: hyper12r on 28 Apr 2007 08:32
thanks...i read over akra web..no 4-2-1..only 4-1-1 ..both race/evo .but i remember one of the fellow 12r rider is using the 4-2-1...
The main components of both Akrapovic systems are set up in a 4-1-1 configuration, connected with free-floating joints held together with high-quality silicon shielded tensioning springs. The muffler is held onto the frame, i.e. to the stock chassis hanging bracket, with a carbon-fiber clamp, which guarantees all the necessary compactness for hanging the back end of the Akrapovic exhaust system.
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crashtech
Zone Head
Posts: 574
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posted April 28, 2007 11:18 AM
Ti-Force 4-2-1 here. Love it!!!! Had Muzzy before that hit 174.5 after tuning. Now 183.3 after tuning. Loads more drivability. Dont know about Akro.
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hyper12r
Expert Class
Posts: 119
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posted April 30, 2007 07:36 PM
im on muzzys now ..thinking of akra now...but only 4-1-1 system...(anyone on akra 4-2-1?)not able to find any on akra site.thanks
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park12r
Expert Class
Posts: 124
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posted May 09, 2007 09:02 AM
any pics of evo or race..turning blue?thanks
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