I had been reading about the problems with some of the aluminum one piece shafts, vibrations, angles, etc. After discussions with Seth at Brenspeed, I bought a Dynotech from them, yes it was more money, but it is PERFECT! It is a direct bolt-up, stock boat anchor off, Dynotech on, that simple. The shifting play and clunk are gone, very tight, positive, smooth shifting, no vibration at all. Feels like a different car.

 

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This is the driveshaft I have on my car.

http://www.evoperform.com/shop/index..._image&pID=235

Does anyone know if this is a Dynotech driveshaft?

 

Mike, It looks identical to mine.
The weight difference, stock 43 lbs, the Dynotech 18 lbs