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Old 02-26-2009, 06:40 PM   #17
Jake Raby
Engine Surgeon
 
Join Date: Aug 2008
Location: Cleveland GA USA
Posts: 2,425
I have been gathering TONS of real world exhaust system results... Just today I tested 3 different systems back to back on the dyno as well as in road tests with my GPS based data logger. This testing is being done with a 2.5 currently and we'll do a 3.2S next.

The results are very interesting. That's all I am willing to say now, I still have lot more data to gather and am awaiting a couple ore sensors to monitor vibration as well as Db level inside the cabin so it can be graphed and compared between systems.

I drove home tonight with a more popular arrangement on the car, while it made the best peak power on the dyno it has horrible drive ability and my gas mileage is down 4 MPG.

Unlocking the truth is a lot of fun, especially when the comparison is for more than just raw power...
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