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How loud is a non-muffled down pipe?

378 Views 6 Replies 4 Participants Last post by  turbostang
Just wondering for the turbo crowd how loud a downpipe 4" dia about 3 feet off the turbo?

Thinking about just leaving the open downpipe dumped at the trans.
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yuck
even a 3-1/2 with a single muffler sounds like crap to me... I uncap mine at the track, but split to (2) mufflers for the street.
This is my car, at Northstar, with an open downpipe.. note the T/A is much more loud and it has mufflers.

I took the downpipe off to see if it picked up any power with it off, but i am using straight through mufflers.. it didn't appear to do ANYTHING.

<embed width="448" height="361" type="application/x-shockwave-flash" wmode="transparent" src="http://i191.photobucket.com/player.swf?file=http://vid191.photobucket.com/albums/z46/am1scott/summer%20cruise09/ef122bed.flv">
This is my car, at Northstar, with an open downpipe.. note the T/A is much more loud and it has mufflers.

I took the downpipe off to see if it picked up any power with it off, but i am using straight through mufflers.. it didn't appear to do ANYTHING.

<embed width="448" height="361" type="application/x-shockwave-flash" wmode="transparent" src="http://i191.photobucket.com/player.swf?file=http://vid191.photobucket.com/albums/z46/am1scott/summer%20cruise09/ef122bed.flv">
That would be awesome if my SS sounds like that. PERFECT!
That would be awesome if my SS sounds like that. PERFECT!
You should hear it with the mufflers in place - I like it a LOT better.
Mufflers in place in this video, note - you can't even hear it over the loud ass T/A in any part of the video. Also, notice, it's running the entire time - even when the camera man is standing RIGHT next to it.

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