It's the size of the pipe that's the problem - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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You'll be hard pressed keeping exhaust gas speed high with a 3" system and it will be ungodly loud unless your using a baffle muffler and resonator to slow things down. Kind of defeats the purp. of going to the larger diameter.
I installed the SD 2.5" system about 3 months ago and was worried about the sound but even with a straight through design, the sound was low enough to keep the wife happy. No easy feat.
3" systems are just too large and make the 4 cyl sound like a Harley.
Posts in this Thread:
- To all the 3" downpipe people, nickR, Sun, 20 May 2001 10:53:41
- It's the size of the pipe that's the problem, Don , Mon, 21 May 2001 00:31:18 <-- Viewing This Message
- Re: To all the 3" downpipe people, George D, Sun, 20 May 2001 12:12:19
- oops, here's my email., nickR, Sun, 20 May 2001 10:54:52
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