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red22 · 05-04-2004, 01:00 PM

Is it really true I can use a cat back exhaust for a WRX on my 02 RS? If so, which would be better (big hp gain, affordable, reliable)
Borla, Cobb or Stromung. As for the Stromung exhaust which mm do I go with --76 or 89?. Also would investing in Borla headers be a significant hp gain? I read average 10 hp and 14 lb/ft. True?!?

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05-04-2004, 01:00 PM	#1
red22 Scooby Newbie Member#: 61008 Join Date: May 2004 Vehicle: 2002 Impreza black	wrx exhaust for a 2.5?? Is it really true I can use a cat back exhaust for a WRX on my 02 RS? If so, which would be better (big hp gain, affordable, reliable) Borla, Cobb or Stromung. As for the Stromung exhaust which mm do I go with --76 or 89?. Also would investing in Borla headers be a significant hp gain? I read average 10 hp and 14 lb/ft. True?!? * Registered users of the site do not see these ads.