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Which exhaust has the most proven gains? Does anyone know? I thought stillen and FI were the most?

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Old 08-17-2011, 10:37 PM   #1 (permalink)
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Which exhaust has the most proven gains? Does anyone know? I thought stillen and FI were the most?
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Old 08-17-2011, 10:53 PM   #2 (permalink)
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Which exhaust has the most proven gains? Does anyone know? I thought stillen and FI were the most?
as of now, F.I. has the highest gains from 20 whp with stock cats and about 25-28 with test pipes. I think stillen is around 18? I believe I read that somewhere.
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Old 08-18-2011, 07:59 AM   #3 (permalink)
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Which exhaust has the most proven gains? Does anyone know? I thought stillen and FI were the most?

I'm not sure how much WHP my ExoticSpeed gave me but with NO HFC's, Their CAT-Back ,Stillen Gen 3s, and tune I got 298 WHP.

Oh this is on a AWD 7SPD auto on a Mustang Dyno.
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Old 08-18-2011, 11:26 PM   #4 (permalink)
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I'm not sure how much WHP my ExoticSpeed gave me but with NO HFC's, Their CAT-Back ,Stillen Gen 3s, and tune I got 298 WHP.

Oh this is on a AWD 7SPD auto on a Mustang Dyno.
yeah, good numbers for those mods... i'd like to see what you'd get with some ART pipes and an XYZ... I have my ART pipes coming tomorrow and the XYZ will be after that... then the CBE and hopefully Tony at MD will have his intake at least in the works.
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Old 08-19-2011, 07:42 AM   #5 (permalink)
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yeah, good numbers for those mods... i'd like to see what you'd get with some ART pipes and an XYZ... I have my ART pipes coming tomorrow and the XYZ will be after that... then the CBE and hopefully Tony at MD will have his intake at least in the works.

Funny cause I been debating on the ART pipes, But do not like what I'm reading about all the rattling going on. Still wait to see a dyno with a tune and my mods. If I can get 330WHP maybe but for anything like 10WHP nope.
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Old 08-18-2011, 03:48 PM   #6 (permalink)
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test pipes with CNT catback = AWESOME combo. enough resonaters to eliminate rasp, and keep drone/noise down at normal driving. but man does it opn up when u flog it

I tried the short tails for all of 15 minutes. WAAAAAAAAAAAAAY to loud
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