Dave951M

Has anyone tried Supertrap on their 951? What was the verdict?

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I have one on my 86na (2.7l engine, 2.5"x18.4"x4" black). I like the tuneability, but it's too loud for daily driving. Even with fresh stuffing and only 6 discs, it's quite droning at any speed.

For Turbo's, it said to be even better... but you really have to dyno the car to find the proper amount of discs. I run 8 on the street and 12-14 at autocross (depends on weather).

Here's a link to my install:

Supertrapp install

Overall, I really do not recommend them to others... too much trouble for the minor benefit (changing discs before and after events, etc)... and does not sound as good as a well built custom or cat-back with a Flowmaster or Borla.

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