Date: Tue, 16 Nov 2004 11:43:21 +0100 From: Frode <fhnospammica.no> Subject: Re: 99 or 900T header pipe?
Dave Hinz wrote: > Question about exhaust systems for the 99 Turbo. The header pipe is > ... cheesy. As in Swiss. Talked to the Saab dealer, and the header > pipe for '78 to '80 has been discontinued. The catalytic converter > on this car has a 45 degree bend on the front of it, which seems to be > the problem. > > So, the question is this - can I use the header pipe for a later 900, > like 1981 and forward, with a cat from same? I do have the cat from my > '88 and the flanges look the same. Everything from the cat back is > new, MotorSports Service exhaust (which was in the trunk). > > Can I put a '81-ish exhaust system on an older Turbo car? > > Dave Hinz Hi Dave, You may be able to exploit the fact that the 900 header is 50 mm longer than the 99 and add the necessary extra bends. I did just that several years ago when I fitted a 81 900-turbo to my 99. Using a hacksaw and 2 trips (i think) to a local welder I managed to fit the entire exhaust system that came from a 81 900 on my 78 3 door 99-GL. But the result was ugly and didn't give enough clearance from the body so the next summer I bought a Starla unit that certainly will outlast the car. I believe however that a 3'rd adjustment would probably have given enough clearance to be usable, and as I understand you are not quite in such a hurry as I was... Note that this job did not involve a catalytic unit. All I did was basically to replace the two front 45 degree bends with a 90 degree one in the proper location. I suppose the cat will introduce additional problems. Frode
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