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Old 07-24-2013, 11:46 AM   #18
R3d
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Join Date: Jul 2013
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Quote:
Originally Posted by JonMotoring View Post



Been having this idea of making an exhaust that can be quiet and loud with a touch of a button.
The exhaust pictured above is for Nissan R35 GTR. Here's a video of the difference in sound levels:



It's pretty much a dull exit design with an electronically controlled valve on one side.
The side with the electric valve is straight pipe with no muffler or restrictions.
The other side has a muffler to help quiet down the exhaust when you are just cruising thru town.

I plan to make the side with the muffler with a slightly smaller diameter piping and a well packed muffler to keep the noise level down.
On the electric valve side it will be a 2.75 inch piping (proven diameter to make power on a FRS/BRZ) and with either straight pipe or a high flow muffler.

What do you guys/gals think? If there's enough interest, we might just put this into production.
My only question : What does it weigh ! if its the same as original or less ill buy it right now!
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