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March 1, 2010 - Exhaust bits!
Most of these have been around for a week or so while I continue to do nothing at all with them. The ball flanges on the right will join my headers to the main pipes, with some room for "oops". The shiny band clamp was also going to perform a similar task, but may be out of a job.
The rubber donut is an interesting bit - it's from a 1999-05 Miata and looks almost identical to a 1990-97 version. But it has a bit more rubber in the middle where the earlier unit has a void and is thus stiffer. Since I'm concerned about keeping my exhaust fairly constrained to avoid hammering on - well, everything - I decided to go with the stiffest one I could. Naturally, they're twice as expensive as the others. Hopefully I won't need TOO many of them!
The cone is intended to slip inside a collector to cut down on exhaust noise. Since the open area is actually greater than that of a 3" pipe, they claim little power loss and a 2-3 dB sound drop. I think I'll hold these in reserve, just in case. Janel wasn't excited about the new car parts, but she was almost hostile to the thought of making the car quieter!
tags: exhaust