GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

GS460 Performance Exhaust

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Old 02-13-11, 09:05 AM
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designo
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Waiting on my new tires before hitting the dyno brother!
Nitto Invos on the way!
Old 02-13-11, 10:27 AM
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1supra
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looking forward to hearing those results on the dyno.what are the cost on those mid pipes? Could the cats be gutted or does this motor need a little backpressure?
Old 02-13-11, 12:59 PM
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Hoping to hear soon from ISS for a full exhaust system!
Old 02-13-11, 02:36 PM
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Originally Posted by 1supra
looking forward to hearing those results on the dyno.what are the cost on those mid pipes? Could the cats be gutted or does this motor need a little backpressure?
Those midpipes are resonated and replace the 2ndary cats!
Old 02-13-11, 03:01 PM
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^ I think you would benefit from a true dual with what your doing. I would cut up those pipes and make it 2 pipes all the way back...heck make them straight pipes all the way back
Old 02-13-11, 03:19 PM
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1supra
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thats what i was thinking, i couldnt tell from the pics he posted if it was true dual all the way to the back,I dont get why they would make them go into a single pipe for such a short sec and then go back to duals,you might as well just go into one muffler and out just like a straight 6 supra setup,youd have less turns and restriction to do it that way,A h pipe sec going out to true duals like a mustang exh would make the most sense. especially if your doing big intake and tuning on perfect afr,you would get the beast breathing and results this way
Old 02-13-11, 03:55 PM
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this is why I went full custom and did true dual all the way back. I was hoping for a little more growl from the V8 but will see how the car will sound when Im done.
Old 02-13-11, 05:25 PM
  #23  
1supra
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when will you have it installed ?was reading alitttle on the isf joe z true dual,with headers it dynoed 60 hp better than stock,5k installed is kinda crazy $ for exh though
Old 03-03-11, 09:39 PM
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you get yours back and tested yet?
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