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Mon., Jun 16, 2008
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not sure how much power you get with an axle-back. 1-2hp maybe - but you wont notice it. i have injen. looks great, sounds great!
megan overall isnt a good quality product.
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New goal...  yea its an M3!
    
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Tue., Jun 17, 2008
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NO axleback .. go catback .. u'll get more from that ...
the axlebac design is bent and curvy that causes restriction and loss of power the catbac design is more straight with less bends to free up more for better exhaust flow which ever u decide .. here are ur links  Cat Backs scion tc cat back - Google Product Search Axle Back scion tc axle back - Google Product Search
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5 SPD .. B00STED BABY !! 
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Tue., Jun 17, 2008
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b00gi3 i just looked at a bunch of pics of exhausts for the tC. i couldnt tell the difference in bends on cats vs axlebacks. most of them bends at the same point near the rear axle. the only difference i figure is having one more pipe (midpipe) that is bigger than stock. that would obviously be a airflow difference.
am i missing something???
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New goal... yea its an M3!
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Tue., Jun 17, 2008
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here's my injen exhaust
  this is all i have as far as performance mods at the time.
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New goal... yea its an M3!
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Tue., Jun 17, 2008
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Tue., Jun 17, 2008
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some of them are definitely straghter than others, but i dont think its a difference of axleback and catback. i think the hks axleback is nearly straight compared to my injen. had i known this was an issue, i may have gone with that one
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New goal... yea its an M3!
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Tue., Jun 17, 2008
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tru
but thats wat i read .. and it was dyno proven .. i dunno wat forum it was on 
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Tue., Jun 17, 2008
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I'm not sayin anyone is wrong, but my Magnaflow cat-back bends a lot, and it puts out more hp than some other cat-backs.
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Next Mods: 9.5psi pulley(waiting to install), Forge 007 BPV, Boost, Wideband, and oil Pres. gauges, Stage 2 Cams, AEM F/IC and tune 300whp here I come 
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Tue., Jun 17, 2008
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hmmmm .. i'll keep that in mind wen criticizin axle back's from now on
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Tue., Jun 17, 2008
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yea! Lol
but what about exhausts for turbos? aka turbo or s-pipe back exhausts? b00gi3 you runnin one of these? i've only seen one for our car from Ptuning.com - Search Result mad expensive for the turbo back! but they claim big gains on boost apps.
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New goal... yea its an M3!
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Tue., Jun 17, 2008
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nope .. i definetly want it tho .. carboncrazy has it .. a nice 3'' turbo back exhaust
i bout my GReddy Evo 2 before i knew about this .. its CRAZY loud tho these are on Evo'z and STI'z that gives em that REDICULOUS power and tone
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Tue., Jun 17, 2008
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Ptuning Exhaust videos
YouTube - Ptuning 3" T304 SS Turbo-back Exhaust System (Scion tC) YouTube - Ptuning 3" turbo back exhaust scion tc
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Tue., Jun 17, 2008
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you beat me to posting the vids...
Yo we gotta be on pace for number of posts in a day!
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New goal... yea its an M3!
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Tue., Jun 17, 2008
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Nice. You think that exhaust will help with my setup?
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Next Mods: 9.5psi pulley(waiting to install), Forge 007 BPV, Boost, Wideband, and oil Pres. gauges, Stage 2 Cams, AEM F/IC and tune 300whp here I come
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Tue., Jun 17, 2008
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nah i think s/c vs. turbo is diiferent when it comes to exhausts. something about the s/c needing to use the backpressure to increase the power. whereas, the turbo needs to release the extra pressure - hence 3 inch piping from header to tip.
i could have that backwards. but i think that's what i read on their site.
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New goal... yea its an M3!
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