Anyone running TurboXS stealthback catted exhaust???
01-22-2009, 04:34 PM
#1
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Join Date: Oct 2007
Location: Novato, CA
Posts: 32
Car Info: 2006 Subaru WRX Limited
Anyone running TurboXS stealthback catted exhaust???
Is anyone running a TurboXS stealthback catted exhaust system with the factory axleback on either an 06+ WRX or 04+STI??? I have cobb stage 1 and looking to quietly go cobb stage 2 and want the extra midpipe for more flow. Let me know if anyone knows anything or is running this setup. Looks like a good setup with a 4inch bellmouth downpipe tapering to 3 inches thru the midpipe. Hoping to keep my car quieter than the borla hush or evo with the factory looking muffler to keep my wife and the police off my back. Any info is greatly appreciated, thanx...
01-28-2009, 01:15 AM
#4
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Join Date: Jul 2008
Location: 925+415
Posts: 1,347
Car Info: 05 CGM STi to be converted to RS
wish i can help you 
but i've seen and heard set ups of similar to what you want, scoo_b's set up is catless dp w/ prodrive axleback and its very quiet, little louder than stock and it looks stock.
as for mine, i run with high flow cat and i'm one of the loudest out there...i dont like how loud mine is but it just sounds too good to take it off :x
from what i heard, 4inch may cause boost creep from too much flow(not credible source), but i'm guessing it'll be alright tapering down to 3inch then to stock. do make sure turboxs will fit with the stock axle back, mine's 3inch and i tried to reinstall just my axle back because i got a fix it ticket...axle back did not fit to the 3inch mid pipe, i did pass with a silencer so it was cool.
or the future set up i plan on, exhaust cut out. stock to loud/performance with a switch of a button.
but i've seen and heard set ups of similar to what you want, scoo_b's set up is catless dp w/ prodrive axleback and its very quiet, little louder than stock and it looks stock.
as for mine, i run with high flow cat and i'm one of the loudest out there...i dont like how loud mine is but it just sounds too good to take it off :x
from what i heard, 4inch may cause boost creep from too much flow(not credible source), but i'm guessing it'll be alright tapering down to 3inch then to stock. do make sure turboxs will fit with the stock axle back, mine's 3inch and i tried to reinstall just my axle back because i got a fix it ticket...axle back did not fit to the 3inch mid pipe, i did pass with a silencer so it was cool.
or the future set up i plan on, exhaust cut out. stock to loud/performance with a switch of a button.
02-06-2009, 04:25 PM
#6
I have the TurboXS turboback, used it with the high flow cat and the standard TXS muffler... but never with the stock axleback. It sounded great....not quiet but not loud. The setup you want, the stealthback, with cat and oem axleback will be quiet - you wont be disappointed.
Currently, I swapped out the TXS high flow cat for the race pipe.... its definitely louder.
Currently, I swapped out the TXS high flow cat for the race pipe.... its definitely louder.
Last edited by subie OCD; 02-06-2009 at 04:29 PM.
02-13-2009, 07:46 AM
#7
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Join Date: Apr 2008
Location: Cupertino CA
Posts: 107
Car Info: 2007 Subaru Sti
Well I hav XStbe but had the axle part replaced with custom 3" finishing it with stock sti muffler. To me looks great not too quiet and looks legit. Power wise sacrifice a bit
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