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Old 05-20-2009, 07:51 PM   #1
rs dude
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Member#: 200538
Join Date: Jan 2009
Chapter/Region: Tri-State
Location: Dutchess County NY
Vehicle:
2005 impreza 2.5rs
white

Default Exhaust Question

I am looking to do the borla geuine uel header, and a stromung dual tip catback exhaust. If i do this setup would i really need to do a high flow cat, and if i dont would there be any problems?
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Old 05-20-2009, 08:10 PM   #2
chazly413
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Join Date: Jun 2007
Chapter/Region: MAIC
Location: College Park, MD
Vehicle:
2005 2.5RS RBP
motec system exhaust-RIP

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You don't need to do anything besides putting the header in there.
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Old 05-20-2009, 08:32 PM   #3
Smoke
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Location: Cheney, WA
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95 V4 STi-RA swap
Stage 49.8

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^Yeah, boxer rumble with stromung is a great combo.

Save your money, but leaving your cats stock, and saving your ears the raspiness of one.
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Old 05-20-2009, 10:37 PM   #4
PA-Outback2000
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2000 Outback Limited
Black

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there is no real raasp with the stromung and cat, except when the car is just turned on. you don't need to do the cats, but they are the most restrictive part of the exhaust system. the borlas sound sick with the stromung CBE.
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