Date: Sat, 10 Nov 2001 22:59:28 -0800
From: "chrisnew" <>
Subject: Re: UK Fuel Grade

Under "normal" use, there is no increase in noise. With your foot on the floor there is slightly sporty note to the exhaust, but still quite acceptable. On the motorway you won't notice the difference. My cat was replaced with a single SAAB exhaust, as the straight pipe alternative is, I believe, noisier. Chris SimonJ <> wrote in message news:9sh6rt$kps$ > > "Walt Kienzle" <> wrote in message > news:3beb49ce$0$43573$ > > Also remember that the cat acts somewhat as a muffler. Removing it will > > make your exhaust sound louder. I don't know how much louder on a Saab, > but > > on some American V8's it is nearly obnoxious. A friend's 5.0L Mustang > comes > > to mind. > > > From what i have been told, the noise increase is not excesive on a 9000. > > If your car is post 1993, you will need the cat fitted to reach the level of > emisions for the MOT test, in this case it would be wise to keep your cat > intact, and buy a cat replacement pipe, so you coud refit the cat when > taking the car for test (and of course you would have to leave it fitted > when driving on a public road, saving the cat replacement pipe for 'track > days') ;-) > >

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