Get exhaust flex pipe, Napa sells it. It's heavier duty than dryer vent tubing, specifically made for exhaust piping. This stuff (part number varies by diameter, I just grabbed the first result)
http://www.napaonline.com/p/EXT49044

They sell it by the foot cut to size. I used it for a mini bike exhaust.


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__________________
TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth