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Date: Sat, 21 Feb 2004 18:11:00 GMT
From: Bob <uctraingNOSPAMnospamanet.com>
Subject: Re: 2.0l 205hp question


On Fri, 20 Feb 2004 22:49:46 GMT, "pablo" <pablo.at.simplynospamre.dot.net> wrote: > >Talking to an acquaintance, he claimed a more free flowing exhaust >immediately provides a significant boost in HP in a 2.0l 205hp turbo engine. >My thinking is that the electronics would have to be remapped to take >advantage of such an exhaust, otherwise the increase in performance is >mainly of aureal nature. There is a reason why the common upgrades are chip >upgrades and boost increases, I would think. Can anyone deny/confirm if I am >right or wrong? > >...pablo Saab makes a factory free ("sport exhaust) flow which they themselves claim about 8hp, AFAIR. Of course, that's running flat out Dyno, so the practical advantages are probably minimal in daily driving. A free flow exhaust may have some additional advantages if you combine it with intake improvements like rearranging the stock air box. I don't know about your year but there were some improvements to be made in the plumbing with a Dremel in earlier years to smooth the flow too. Of course, a chip or perhaps a MBC for earlier Trionics can give you a bit of boost too - combined with a better exhaust it all helps. So, the answer is that, yes, it can help. Saab's stock exhaust is a compromise for power and noise. If you don't mind a little more noise, the Saab sport exhaust or similar aftermarket items can improve performance a bit but don't expect to get pinned to the seat with one component change.

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